Home / 96,428.43-133,079.46-56,154.82

Finding the Fourth Proportional to 96,428.43, 133,079.46 and 56,154.82

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Solution

The fourth proportional to 96,428.43, 133,079.46 and 56,154.82 is: 77,498.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,428.43 : 133,079.46 = 56,154.82 : x
  2. Step 2: Convert to fraction form
    96,428.43/133,079.46 = 56,154.82/x
  3. Step 3: Cross multiply
    96,428.43x = 133,079.46 × 56,154.82
  4. Step 4: Simplify right side
    96,428.43x = 7,473,053,122.00
  5. Step 5: Solve for x
    x = 7,473,053,122.00/96,428.43
  6. Step 6: Final answer
    x = 77,498.44

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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.