Home / 103,570.02-142,916.13-58,240.80

Finding the Fourth Proportional to 103,570.02, 142,916.13 and 58,240.80

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Solution

The fourth proportional to 103,570.02, 142,916.13 and 58,240.80 is: 80,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,570.02 : 142,916.13 = 58,240.80 : x
  2. Step 2: Convert to fraction form
    103,570.02/142,916.13 = 58,240.80/x
  3. Step 3: Cross multiply
    103,570.02x = 142,916.13 × 58,240.80
  4. Step 4: Simplify right side
    103,570.02x = 8,323,549,744.10
  5. Step 5: Solve for x
    x = 8,323,549,744.10/103,570.02
  6. Step 6: Final answer
    x = 80,366.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.