Home / 94,761.76-142,191.96-38,643.28

Finding the Fourth Proportional to 94,761.76, 142,191.96 and 38,643.28

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Solution

The fourth proportional to 94,761.76, 142,191.96 and 38,643.28 is: 57,985.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,761.76 : 142,191.96 = 38,643.28 : x
  2. Step 2: Convert to fraction form
    94,761.76/142,191.96 = 38,643.28/x
  3. Step 3: Cross multiply
    94,761.76x = 142,191.96 × 38,643.28
  4. Step 4: Simplify right side
    94,761.76x = 5,494,763,724.03
  5. Step 5: Solve for x
    x = 5,494,763,724.03/94,761.76
  6. Step 6: Final answer
    x = 57,985.03

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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.