Home / 85,046.50-127,575.15-25,886.53

Finding the Fourth Proportional to 85,046.50, 127,575.15 and 25,886.53

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Solution

The fourth proportional to 85,046.50, 127,575.15 and 25,886.53 is: 38,831.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,046.50 : 127,575.15 = 25,886.53 : x
  2. Step 2: Convert to fraction form
    85,046.50/127,575.15 = 25,886.53/x
  3. Step 3: Cross multiply
    85,046.50x = 127,575.15 × 25,886.53
  4. Step 4: Simplify right side
    85,046.50x = 3,302,477,947.73
  5. Step 5: Solve for x
    x = 3,302,477,947.73/85,046.50
  6. Step 6: Final answer
    x = 38,831.44

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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.