Home / 83,281.02-124,721.36-47,634.31

Finding the Fourth Proportional to 83,281.02, 124,721.36 and 47,634.31

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Solution

The fourth proportional to 83,281.02, 124,721.36 and 47,634.31 is: 71,336.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,281.02 : 124,721.36 = 47,634.31 : x
  2. Step 2: Convert to fraction form
    83,281.02/124,721.36 = 47,634.31/x
  3. Step 3: Cross multiply
    83,281.02x = 124,721.36 × 47,634.31
  4. Step 4: Simplify right side
    83,281.02x = 5,941,015,925.86
  5. Step 5: Solve for x
    x = 5,941,015,925.86/83,281.02
  6. Step 6: Final answer
    x = 71,336.97

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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.