Home / 88,721.30-122,437.25-48,436.76

Finding the Fourth Proportional to 88,721.30, 122,437.25 and 48,436.76

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Solution

The fourth proportional to 88,721.30, 122,437.25 and 48,436.76 is: 66,843.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,721.30 : 122,437.25 = 48,436.76 : x
  2. Step 2: Convert to fraction form
    88,721.30/122,437.25 = 48,436.76/x
  3. Step 3: Cross multiply
    88,721.30x = 122,437.25 × 48,436.76
  4. Step 4: Simplify right side
    88,721.30x = 5,930,463,572.22
  5. Step 5: Solve for x
    x = 5,930,463,572.22/88,721.30
  6. Step 6: Final answer
    x = 66,843.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.