Home / 91,717.12-126,592.16-55,926.88

Finding the Fourth Proportional to 91,717.12, 126,592.16 and 55,926.88

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Solution

The fourth proportional to 91,717.12, 126,592.16 and 55,926.88 is: 77,192.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,717.12 : 126,592.16 = 55,926.88 : x
  2. Step 2: Convert to fraction form
    91,717.12/126,592.16 = 55,926.88/x
  3. Step 3: Cross multiply
    91,717.12x = 126,592.16 × 55,926.88
  4. Step 4: Simplify right side
    91,717.12x = 7,079,904,541.26
  5. Step 5: Solve for x
    x = 7,079,904,541.26/91,717.12
  6. Step 6: Final answer
    x = 77,192.84

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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.