Home / 42,083.52-63,144-22,357.28

Finding the Fourth Proportional to 42,083.52, 63,144 and 22,357.28

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Solution

The fourth proportional to 42,083.52, 63,144 and 22,357.28 is: 33,545.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,083.52 : 63,144 = 22,357.28 : x
  2. Step 2: Convert to fraction form
    42,083.52/63,144 = 22,357.28/x
  3. Step 3: Cross multiply
    42,083.52x = 63,144 × 22,357.28
  4. Step 4: Simplify right side
    42,083.52x = 1,411,728,088.32
  5. Step 5: Solve for x
    x = 1,411,728,088.32/42,083.52
  6. Step 6: Final answer
    x = 33,545.87

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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.