Home / 84,312.90-126,476.55-25,144.74

Finding the Fourth Proportional to 84,312.90, 126,476.55 and 25,144.74

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Solution

The fourth proportional to 84,312.90, 126,476.55 and 25,144.74 is: 37,719.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,312.90 : 126,476.55 = 25,144.74 : x
  2. Step 2: Convert to fraction form
    84,312.90/126,476.55 = 25,144.74/x
  3. Step 3: Cross multiply
    84,312.90x = 126,476.55 × 25,144.74
  4. Step 4: Simplify right side
    84,312.90x = 3,180,219,965.85
  5. Step 5: Solve for x
    x = 3,180,219,965.85/84,312.90
  6. Step 6: Final answer
    x = 37,719.26

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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.