Home / 83,979.93-126,000.59-39,022.05

Finding the Fourth Proportional to 83,979.93, 126,000.59 and 39,022.05

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Solution

The fourth proportional to 83,979.93, 126,000.59 and 39,022.05 is: 58,547.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,979.93 : 126,000.59 = 39,022.05 : x
  2. Step 2: Convert to fraction form
    83,979.93/126,000.59 = 39,022.05/x
  3. Step 3: Cross multiply
    83,979.93x = 126,000.59 × 39,022.05
  4. Step 4: Simplify right side
    83,979.93x = 4,916,801,127.90
  5. Step 5: Solve for x
    x = 4,916,801,127.90/83,979.93
  6. Step 6: Final answer
    x = 58,547.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.