Home / 87,848.16-121,230.28-47,561.95

Finding the Fourth Proportional to 87,848.16, 121,230.28 and 47,561.95

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Solution

The fourth proportional to 87,848.16, 121,230.28 and 47,561.95 is: 65,635.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,848.16 : 121,230.28 = 47,561.95 : x
  2. Step 2: Convert to fraction form
    87,848.16/121,230.28 = 47,561.95/x
  3. Step 3: Cross multiply
    87,848.16x = 121,230.28 × 47,561.95
  4. Step 4: Simplify right side
    87,848.16x = 5,765,948,515.85
  5. Step 5: Solve for x
    x = 5,765,948,515.85/87,848.16
  6. Step 6: Final answer
    x = 65,635.39

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1.5x scale

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.