Home / 103,048.13-142,206.42-58,336.13

Finding the Fourth Proportional to 103,048.13, 142,206.42 and 58,336.13

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Solution

The fourth proportional to 103,048.13, 142,206.42 and 58,336.13 is: 80,503.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,048.13 : 142,206.42 = 58,336.13 : x
  2. Step 2: Convert to fraction form
    103,048.13/142,206.42 = 58,336.13/x
  3. Step 3: Cross multiply
    103,048.13x = 142,206.42 × 58,336.13
  4. Step 4: Simplify right side
    103,048.13x = 8,295,771,492.92
  5. Step 5: Solve for x
    x = 8,295,771,492.92/103,048.13
  6. Step 6: Final answer
    x = 80,503.86

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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.