Home / 83,543.02-115,295.46-47,732.26

Finding the Fourth Proportional to 83,543.02, 115,295.46 and 47,732.26

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Solution

The fourth proportional to 83,543.02, 115,295.46 and 47,732.26 is: 65,874.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,543.02 : 115,295.46 = 47,732.26 : x
  2. Step 2: Convert to fraction form
    83,543.02/115,295.46 = 47,732.26/x
  3. Step 3: Cross multiply
    83,543.02x = 115,295.46 × 47,732.26
  4. Step 4: Simplify right side
    83,543.02x = 5,503,312,890.98
  5. Step 5: Solve for x
    x = 5,503,312,890.98/83,543.02
  6. Step 6: Final answer
    x = 65,874.00

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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.