Home / 85,031.44-127,542.60-25,862.49

Finding the Fourth Proportional to 85,031.44, 127,542.60 and 25,862.49

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Solution

The fourth proportional to 85,031.44, 127,542.60 and 25,862.49 is: 38,792.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,031.44 : 127,542.60 = 25,862.49 : x
  2. Step 2: Convert to fraction form
    85,031.44/127,542.60 = 25,862.49/x
  3. Step 3: Cross multiply
    85,031.44x = 127,542.60 × 25,862.49
  4. Step 4: Simplify right side
    85,031.44x = 3,298,569,217.07
  5. Step 5: Solve for x
    x = 3,298,569,217.07/85,031.44
  6. Step 6: Final answer
    x = 38,792.35

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1.5x scale

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.