Home / 99,310.44-137,037.24-56,877.24

Finding the Fourth Proportional to 99,310.44, 137,037.24 and 56,877.24

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Solution

The fourth proportional to 99,310.44, 137,037.24 and 56,877.24 is: 78,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,310.44 : 137,037.24 = 56,877.24 : x
  2. Step 2: Convert to fraction form
    99,310.44/137,037.24 = 56,877.24/x
  3. Step 3: Cross multiply
    99,310.44x = 137,037.24 × 56,877.24
  4. Step 4: Simplify right side
    99,310.44x = 7,794,299,988.42
  5. Step 5: Solve for x
    x = 7,794,299,988.42/99,310.44
  6. Step 6: Final answer
    x = 78,484.20

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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.