Home / 94,158.86-129,934.53-51,718.91

Finding the Fourth Proportional to 94,158.86, 129,934.53 and 51,718.91

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Solution

The fourth proportional to 94,158.86, 129,934.53 and 51,718.91 is: 71,369.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,158.86 : 129,934.53 = 51,718.91 : x
  2. Step 2: Convert to fraction form
    94,158.86/129,934.53 = 51,718.91/x
  3. Step 3: Cross multiply
    94,158.86x = 129,934.53 × 51,718.91
  4. Step 4: Simplify right side
    94,158.86x = 6,720,071,613.29
  5. Step 5: Solve for x
    x = 6,720,071,613.29/94,158.86
  6. Step 6: Final answer
    x = 71,369.51

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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.