Home / 94,081.98-129,833.55-51,640.86

Finding the Fourth Proportional to 94,081.98, 129,833.55 and 51,640.86

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Solution

The fourth proportional to 94,081.98, 129,833.55 and 51,640.86 is: 71,264.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,081.98 : 129,833.55 = 51,640.86 : x
  2. Step 2: Convert to fraction form
    94,081.98/129,833.55 = 51,640.86/x
  3. Step 3: Cross multiply
    94,081.98x = 129,833.55 × 51,640.86
  4. Step 4: Simplify right side
    94,081.98x = 6,704,716,178.85
  5. Step 5: Solve for x
    x = 6,704,716,178.85/94,081.98
  6. Step 6: Final answer
    x = 71,264.62

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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.