Home / 56,468.28-84,587.58-45,314.58

Finding the Fourth Proportional to 56,468.28, 84,587.58 and 45,314.58

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Solution

The fourth proportional to 56,468.28, 84,587.58 and 45,314.58 is: 67,879.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,468.28 : 84,587.58 = 45,314.58 : x
  2. Step 2: Convert to fraction form
    56,468.28/84,587.58 = 45,314.58/x
  3. Step 3: Cross multiply
    56,468.28x = 84,587.58 × 45,314.58
  4. Step 4: Simplify right side
    56,468.28x = 3,833,050,660.92
  5. Step 5: Solve for x
    x = 3,833,050,660.92/56,468.28
  6. Step 6: Final answer
    x = 67,879.71

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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.