Home / 63,391.66-87,480.19-34,320.05

Finding the Fourth Proportional to 63,391.66, 87,480.19 and 34,320.05

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Solution

The fourth proportional to 63,391.66, 87,480.19 and 34,320.05 is: 47,361.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,391.66 : 87,480.19 = 34,320.05 : x
  2. Step 2: Convert to fraction form
    63,391.66/87,480.19 = 34,320.05/x
  3. Step 3: Cross multiply
    63,391.66x = 87,480.19 × 34,320.05
  4. Step 4: Simplify right side
    63,391.66x = 3,002,323,971.61
  5. Step 5: Solve for x
    x = 3,002,323,971.61/63,391.66
  6. Step 6: Final answer
    x = 47,361.50

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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.