Home / 99,086.40-136,737.76-53,764.48

Finding the Fourth Proportional to 99,086.40, 136,737.76 and 53,764.48

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Solution

The fourth proportional to 99,086.40, 136,737.76 and 53,764.48 is: 74,194.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,086.40 : 136,737.76 = 53,764.48 : x
  2. Step 2: Convert to fraction form
    99,086.40/136,737.76 = 53,764.48/x
  3. Step 3: Cross multiply
    99,086.40x = 136,737.76 × 53,764.48
  4. Step 4: Simplify right side
    99,086.40x = 7,351,634,562.76
  5. Step 5: Solve for x
    x = 7,351,634,562.76/99,086.40
  6. Step 6: Final answer
    x = 74,194.18

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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.