Home / 45,781.31-63,155.92-29,643.98

Finding the Fourth Proportional to 45,781.31, 63,155.92 and 29,643.98

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Solution

The fourth proportional to 45,781.31, 63,155.92 and 29,643.98 is: 40,894.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,781.31 : 63,155.92 = 29,643.98 : x
  2. Step 2: Convert to fraction form
    45,781.31/63,155.92 = 29,643.98/x
  3. Step 3: Cross multiply
    45,781.31x = 63,155.92 × 29,643.98
  4. Step 4: Simplify right side
    45,781.31x = 1,872,193,027.93
  5. Step 5: Solve for x
    x = 1,872,193,027.93/45,781.31
  6. Step 6: Final answer
    x = 40,894.27

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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.