Home / 110,721.12-152,793.72-60,416.88

Finding the Fourth Proportional to 110,721.12, 152,793.72 and 60,416.88

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Solution

The fourth proportional to 110,721.12, 152,793.72 and 60,416.88 is: 83,374.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,721.12 : 152,793.72 = 60,416.88 : x
  2. Step 2: Convert to fraction form
    110,721.12/152,793.72 = 60,416.88/x
  3. Step 3: Cross multiply
    110,721.12x = 152,793.72 × 60,416.88
  4. Step 4: Simplify right side
    110,721.12x = 9,231,319,845.99
  5. Step 5: Solve for x
    x = 9,231,319,845.99/110,721.12
  6. Step 6: Final answer
    x = 83,374.52

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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.