Home / 77,080.32-115,572.48-35,473.92

Finding the Fourth Proportional to 77,080.32, 115,572.48 and 35,473.92

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Solution

The fourth proportional to 77,080.32, 115,572.48 and 35,473.92 is: 53,188.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,080.32 : 115,572.48 = 35,473.92 : x
  2. Step 2: Convert to fraction form
    77,080.32/115,572.48 = 35,473.92/x
  3. Step 3: Cross multiply
    77,080.32x = 115,572.48 × 35,473.92
  4. Step 4: Simplify right side
    77,080.32x = 4,099,808,909.72
  5. Step 5: Solve for x
    x = 4,099,808,909.72/77,080.32
  6. Step 6: Final answer
    x = 53,188.79

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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.