Home / 99,124.31-136,758.97-56,099.53

Finding the Fourth Proportional to 99,124.31, 136,758.97 and 56,099.53

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Solution

The fourth proportional to 99,124.31, 136,758.97 and 56,099.53 is: 77,398.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,124.31 : 136,758.97 = 56,099.53 : x
  2. Step 2: Convert to fraction form
    99,124.31/136,758.97 = 56,099.53/x
  3. Step 3: Cross multiply
    99,124.31x = 136,758.97 × 56,099.53
  4. Step 4: Simplify right side
    99,124.31x = 7,672,113,412.09
  5. Step 5: Solve for x
    x = 7,672,113,412.09/99,124.31
  6. Step 6: Final answer
    x = 77,398.91

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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.