Home / 103,049.13-142,207.80-58,337.13

Finding the Fourth Proportional to 103,049.13, 142,207.80 and 58,337.13

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Solution

The fourth proportional to 103,049.13, 142,207.80 and 58,337.13 is: 80,505.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,049.13 : 142,207.80 = 58,337.13 : x
  2. Step 2: Convert to fraction form
    103,049.13/142,207.80 = 58,337.13/x
  3. Step 3: Cross multiply
    103,049.13x = 142,207.80 × 58,337.13
  4. Step 4: Simplify right side
    103,049.13x = 8,295,994,915.61
  5. Step 5: Solve for x
    x = 8,295,994,915.61/103,049.13
  6. Step 6: Final answer
    x = 80,505.24

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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.