Home / 94,014.80-129,732.16-53,720.56

Finding the Fourth Proportional to 94,014.80, 129,732.16 and 53,720.56

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Solution

The fourth proportional to 94,014.80, 129,732.16 and 53,720.56 is: 74,129.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,014.80 : 129,732.16 = 53,720.56 : x
  2. Step 2: Convert to fraction form
    94,014.80/129,732.16 = 53,720.56/x
  3. Step 3: Cross multiply
    94,014.80x = 129,732.16 × 53,720.56
  4. Step 4: Simplify right side
    94,014.80x = 6,969,284,285.21
  5. Step 5: Solve for x
    x = 6,969,284,285.21/94,014.80
  6. Step 6: Final answer
    x = 74,129.65

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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.