Home / 72,635.10-108,661.05-62,882.70

Finding the Fourth Proportional to 72,635.10, 108,661.05 and 62,882.70

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Solution

The fourth proportional to 72,635.10, 108,661.05 and 62,882.70 is: 94,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,635.10 : 108,661.05 = 62,882.70 : x
  2. Step 2: Convert to fraction form
    72,635.10/108,661.05 = 62,882.70/x
  3. Step 3: Cross multiply
    72,635.10x = 108,661.05 × 62,882.70
  4. Step 4: Simplify right side
    72,635.10x = 6,832,900,208.84
  5. Step 5: Solve for x
    x = 6,832,900,208.84/72,635.10
  6. Step 6: Final answer
    x = 94,071.60

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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.