Home / 100,962.08-151,443.12-44,780.48

Finding the Fourth Proportional to 100,962.08, 151,443.12 and 44,780.48

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Solution

The fourth proportional to 100,962.08, 151,443.12 and 44,780.48 is: 67,170.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,962.08 : 151,443.12 = 44,780.48 : x
  2. Step 2: Convert to fraction form
    100,962.08/151,443.12 = 44,780.48/x
  3. Step 3: Cross multiply
    100,962.08x = 151,443.12 × 44,780.48
  4. Step 4: Simplify right side
    100,962.08x = 6,781,695,606.30
  5. Step 5: Solve for x
    x = 6,781,695,606.30/100,962.08
  6. Step 6: Final answer
    x = 67,170.72

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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.