Home / 99,697.45-137,557.88-58,862.53

Finding the Fourth Proportional to 99,697.45, 137,557.88 and 58,862.53

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Solution

The fourth proportional to 99,697.45, 137,557.88 and 58,862.53 is: 81,215.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,697.45 : 137,557.88 = 58,862.53 : x
  2. Step 2: Convert to fraction form
    99,697.45/137,557.88 = 58,862.53/x
  3. Step 3: Cross multiply
    99,697.45x = 137,557.88 × 58,862.53
  4. Step 4: Simplify right side
    99,697.45x = 8,097,004,838.24
  5. Step 5: Solve for x
    x = 8,097,004,838.24/99,697.45
  6. Step 6: Final answer
    x = 81,215.77

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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.