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Finding the Fourth Proportional to 64,358.93, 88,716.87 and 45,184.91

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Solution

The fourth proportional to 64,358.93, 88,716.87 and 45,184.91 is: 62,286.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,358.93 : 88,716.87 = 45,184.91 : x
  2. Step 2: Convert to fraction form
    64,358.93/88,716.87 = 45,184.91/x
  3. Step 3: Cross multiply
    64,358.93x = 88,716.87 × 45,184.91
  4. Step 4: Simplify right side
    64,358.93x = 4,008,663,342.85
  5. Step 5: Solve for x
    x = 4,008,663,342.85/64,358.93
  6. Step 6: Final answer
    x = 62,286.04

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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.