Home / 85,726.20-118,300.86-48,001.80

Finding the Fourth Proportional to 85,726.20, 118,300.86 and 48,001.80

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Solution

The fourth proportional to 85,726.20, 118,300.86 and 48,001.80 is: 66,241.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,726.20 : 118,300.86 = 48,001.80 : x
  2. Step 2: Convert to fraction form
    85,726.20/118,300.86 = 48,001.80/x
  3. Step 3: Cross multiply
    85,726.20x = 118,300.86 × 48,001.80
  4. Step 4: Simplify right side
    85,726.20x = 5,678,654,221.55
  5. Step 5: Solve for x
    x = 5,678,654,221.55/85,726.20
  6. Step 6: Final answer
    x = 66,241.76

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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.