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Finding the Fourth Proportional to 64,189.80, 96,102.45 and 60,698.70

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Solution

The fourth proportional to 64,189.80, 96,102.45 and 60,698.70 is: 90,875.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,189.80 : 96,102.45 = 60,698.70 : x
  2. Step 2: Convert to fraction form
    64,189.80/96,102.45 = 60,698.70/x
  3. Step 3: Cross multiply
    64,189.80x = 96,102.45 × 60,698.70
  4. Step 4: Simplify right side
    64,189.80x = 5,833,293,781.82
  5. Step 5: Solve for x
    x = 5,833,293,781.82/64,189.80
  6. Step 6: Final answer
    x = 90,875.71

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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.