Home / 91,664.08-137,531.04-47,262.52

Finding the Fourth Proportional to 91,664.08, 137,531.04 and 47,262.52

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Solution

The fourth proportional to 91,664.08, 137,531.04 and 47,262.52 is: 70,911.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,664.08 : 137,531.04 = 47,262.52 : x
  2. Step 2: Convert to fraction form
    91,664.08/137,531.04 = 47,262.52/x
  3. Step 3: Cross multiply
    91,664.08x = 137,531.04 × 47,262.52
  4. Step 4: Simplify right side
    91,664.08x = 6,500,063,528.62
  5. Step 5: Solve for x
    x = 6,500,063,528.62/91,664.08
  6. Step 6: Final answer
    x = 70,911.78

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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.