Home / 47,132.97-70,700.02-12,071.69

Finding the Fourth Proportional to 47,132.97, 70,700.02 and 12,071.69

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Solution

The fourth proportional to 47,132.97, 70,700.02 and 12,071.69 is: 18,107.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,132.97 : 70,700.02 = 12,071.69 : x
  2. Step 2: Convert to fraction form
    47,132.97/70,700.02 = 12,071.69/x
  3. Step 3: Cross multiply
    47,132.97x = 70,700.02 × 12,071.69
  4. Step 4: Simplify right side
    47,132.97x = 853,468,664.08
  5. Step 5: Solve for x
    x = 853,468,664.08/47,132.97
  6. Step 6: Final answer
    x = 18,107.68

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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.