Home / 107,078.30-147,767.91-59,334.74

Finding the Fourth Proportional to 107,078.30, 147,767.91 and 59,334.74

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Solution

The fourth proportional to 107,078.30, 147,767.91 and 59,334.74 is: 81,881.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,078.30 : 147,767.91 = 59,334.74 : x
  2. Step 2: Convert to fraction form
    107,078.30/147,767.91 = 59,334.74/x
  3. Step 3: Cross multiply
    107,078.30x = 147,767.91 × 59,334.74
  4. Step 4: Simplify right side
    107,078.30x = 8,767,770,520.19
  5. Step 5: Solve for x
    x = 8,767,770,520.19/107,078.30
  6. Step 6: Final answer
    x = 81,881.86

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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.