Home / 79,125.15-118,744.92-31,100.93

Finding the Fourth Proportional to 79,125.15, 118,744.92 and 31,100.93

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Solution

The fourth proportional to 79,125.15, 118,744.92 and 31,100.93 is: 46,673.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,125.15 : 118,744.92 = 31,100.93 : x
  2. Step 2: Convert to fraction form
    79,125.15/118,744.92 = 31,100.93/x
  3. Step 3: Cross multiply
    79,125.15x = 118,744.92 × 31,100.93
  4. Step 4: Simplify right side
    79,125.15x = 3,693,077,444.78
  5. Step 5: Solve for x
    x = 3,693,077,444.78/79,125.15
  6. Step 6: Final answer
    x = 46,673.88

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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.