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Finding the Fourth Proportional to 79,001.66, 108,957.33 and 56,333.40

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Solution

The fourth proportional to 79,001.66, 108,957.33 and 56,333.40 is: 77,693.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,001.66 : 108,957.33 = 56,333.40 : x
  2. Step 2: Convert to fraction form
    79,001.66/108,957.33 = 56,333.40/x
  3. Step 3: Cross multiply
    79,001.66x = 108,957.33 × 56,333.40
  4. Step 4: Simplify right side
    79,001.66x = 6,137,936,853.82
  5. Step 5: Solve for x
    x = 6,137,936,853.82/79,001.66
  6. Step 6: Final answer
    x = 77,693.77

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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.