Home / 83,386.30-124,968.87-43,971.31

Finding the Fourth Proportional to 83,386.30, 124,968.87 and 43,971.31

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Solution

The fourth proportional to 83,386.30, 124,968.87 and 43,971.31 is: 65,898.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,386.30 : 124,968.87 = 43,971.31 : x
  2. Step 2: Convert to fraction form
    83,386.30/124,968.87 = 43,971.31/x
  3. Step 3: Cross multiply
    83,386.30x = 124,968.87 × 43,971.31
  4. Step 4: Simplify right side
    83,386.30x = 5,495,044,923.12
  5. Step 5: Solve for x
    x = 5,495,044,923.12/83,386.30
  6. Step 6: Final answer
    x = 65,898.65

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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.