Home / 88,747.25-122,472-48,461.49

Finding the Fourth Proportional to 88,747.25, 122,472 and 48,461.49

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Solution

The fourth proportional to 88,747.25, 122,472 and 48,461.49 is: 66,877.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,747.25 : 122,472 = 48,461.49 : x
  2. Step 2: Convert to fraction form
    88,747.25/122,472 = 48,461.49/x
  3. Step 3: Cross multiply
    88,747.25x = 122,472 × 48,461.49
  4. Step 4: Simplify right side
    88,747.25x = 5,935,175,603.28
  5. Step 5: Solve for x
    x = 5,935,175,603.28/88,747.25
  6. Step 6: Final answer
    x = 66,877.29

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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.