Home / 89,248.69-123,170.97-48,970.21

Finding the Fourth Proportional to 89,248.69, 123,170.97 and 48,970.21

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Solution

The fourth proportional to 89,248.69, 123,170.97 and 48,970.21 is: 67,583.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,248.69 : 123,170.97 = 48,970.21 : x
  2. Step 2: Convert to fraction form
    89,248.69/123,170.97 = 48,970.21/x
  3. Step 3: Cross multiply
    89,248.69x = 123,170.97 × 48,970.21
  4. Step 4: Simplify right side
    89,248.69x = 6,031,708,266.80
  5. Step 5: Solve for x
    x = 6,031,708,266.80/89,248.69
  6. Step 6: Final answer
    x = 67,583.16

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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.