Home / 42,658.68-63,983.70-11,497.08

Finding the Fourth Proportional to 42,658.68, 63,983.70 and 11,497.08

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Solution

The fourth proportional to 42,658.68, 63,983.70 and 11,497.08 is: 17,244.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,658.68 : 63,983.70 = 11,497.08 : x
  2. Step 2: Convert to fraction form
    42,658.68/63,983.70 = 11,497.08/x
  3. Step 3: Cross multiply
    42,658.68x = 63,983.70 × 11,497.08
  4. Step 4: Simplify right side
    42,658.68x = 735,625,717.60
  5. Step 5: Solve for x
    x = 735,625,717.60/42,658.68
  6. Step 6: Final answer
    x = 17,244.46

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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.