Home / 89,816.32-134,390.58-56,379.88

Finding the Fourth Proportional to 89,816.32, 134,390.58 and 56,379.88

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Solution

The fourth proportional to 89,816.32, 134,390.58 and 56,379.88 is: 84,360.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,816.32 : 134,390.58 = 56,379.88 : x
  2. Step 2: Convert to fraction form
    89,816.32/134,390.58 = 56,379.88/x
  3. Step 3: Cross multiply
    89,816.32x = 134,390.58 × 56,379.88
  4. Step 4: Simplify right side
    89,816.32x = 7,576,924,773.53
  5. Step 5: Solve for x
    x = 7,576,924,773.53/89,816.32
  6. Step 6: Final answer
    x = 84,360.22

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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.