Home / 75,082.48-103,625.45-42,817.17

Finding the Fourth Proportional to 75,082.48, 103,625.45 and 42,817.17

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Solution

The fourth proportional to 75,082.48, 103,625.45 and 42,817.17 is: 59,094.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,082.48 : 103,625.45 = 42,817.17 : x
  2. Step 2: Convert to fraction form
    75,082.48/103,625.45 = 42,817.17/x
  3. Step 3: Cross multiply
    75,082.48x = 103,625.45 × 42,817.17
  4. Step 4: Simplify right side
    75,082.48x = 4,436,948,508.98
  5. Step 5: Solve for x
    x = 4,436,948,508.98/75,082.48
  6. Step 6: Final answer
    x = 59,094.33

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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.