Home / 103,569.12-142,924.02-58,247.09

Finding the Fourth Proportional to 103,569.12, 142,924.02 and 58,247.09

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Solution

The fourth proportional to 103,569.12, 142,924.02 and 58,247.09 is: 80,380.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,569.12 : 142,924.02 = 58,247.09 : x
  2. Step 2: Convert to fraction form
    103,569.12/142,924.02 = 58,247.09/x
  3. Step 3: Cross multiply
    103,569.12x = 142,924.02 × 58,247.09
  4. Step 4: Simplify right side
    103,569.12x = 8,324,908,256.10
  5. Step 5: Solve for x
    x = 8,324,908,256.10/103,569.12
  6. Step 6: Final answer
    x = 80,380.22

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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.