Home / 42,616.78-63,925.14-11,452.02

Finding the Fourth Proportional to 42,616.78, 63,925.14 and 11,452.02

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Solution

The fourth proportional to 42,616.78, 63,925.14 and 11,452.02 is: 17,178.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,616.78 : 63,925.14 = 11,452.02 : x
  2. Step 2: Convert to fraction form
    42,616.78/63,925.14 = 11,452.02/x
  3. Step 3: Cross multiply
    42,616.78x = 63,925.14 × 11,452.02
  4. Step 4: Simplify right side
    42,616.78x = 732,071,981.78
  5. Step 5: Solve for x
    x = 732,071,981.78/42,616.78
  6. Step 6: Final answer
    x = 17,178.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.