Home / 77,002.15-115,295.58-50,281.96

Finding the Fourth Proportional to 77,002.15, 115,295.58 and 50,281.96

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Solution

The fourth proportional to 77,002.15, 115,295.58 and 50,281.96 is: 75,287.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,002.15 : 115,295.58 = 50,281.96 : x
  2. Step 2: Convert to fraction form
    77,002.15/115,295.58 = 50,281.96/x
  3. Step 3: Cross multiply
    77,002.15x = 115,295.58 × 50,281.96
  4. Step 4: Simplify right side
    77,002.15x = 5,797,287,741.74
  5. Step 5: Solve for x
    x = 5,797,287,741.74/77,002.15
  6. Step 6: Final answer
    x = 75,287.35

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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.