Home / 94,910.88-142,312.40-38,685.13

Finding the Fourth Proportional to 94,910.88, 142,312.40 and 38,685.13

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Solution

The fourth proportional to 94,910.88, 142,312.40 and 38,685.13 is: 58,005.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,910.88 : 142,312.40 = 38,685.13 : x
  2. Step 2: Convert to fraction form
    94,910.88/142,312.40 = 38,685.13/x
  3. Step 3: Cross multiply
    94,910.88x = 142,312.40 × 38,685.13
  4. Step 4: Simplify right side
    94,910.88x = 5,505,373,824.15
  5. Step 5: Solve for x
    x = 5,505,373,824.15/94,910.88
  6. Step 6: Final answer
    x = 58,005.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.