Home / 83,838.40-125,634.02-62,679.16

Finding the Fourth Proportional to 83,838.40, 125,634.02 and 62,679.16

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Solution

The fourth proportional to 83,838.40, 125,634.02 and 62,679.16 is: 93,926.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,838.40 : 125,634.02 = 62,679.16 : x
  2. Step 2: Convert to fraction form
    83,838.40/125,634.02 = 62,679.16/x
  3. Step 3: Cross multiply
    83,838.40x = 125,634.02 × 62,679.16
  4. Step 4: Simplify right side
    83,838.40x = 7,874,634,841.02
  5. Step 5: Solve for x
    x = 7,874,634,841.02/83,838.40
  6. Step 6: Final answer
    x = 93,926.35

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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.