Home / 124,553.11-171,882.30-70,838.05

Finding the Fourth Proportional to 124,553.11, 171,882.30 and 70,838.05

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Solution

The fourth proportional to 124,553.11, 171,882.30 and 70,838.05 is: 97,755.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,553.11 : 171,882.30 = 70,838.05 : x
  2. Step 2: Convert to fraction form
    124,553.11/171,882.30 = 70,838.05/x
  3. Step 3: Cross multiply
    124,553.11x = 171,882.30 × 70,838.05
  4. Step 4: Simplify right side
    124,553.11x = 12,175,806,961.52
  5. Step 5: Solve for x
    x = 12,175,806,961.52/124,553.11
  6. Step 6: Final answer
    x = 97,755.94

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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.