Home / 99,617.14-137,471.70-56,596.71

Finding the Fourth Proportional to 99,617.14, 137,471.70 and 56,596.71

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Solution

The fourth proportional to 99,617.14, 137,471.70 and 56,596.71 is: 78,103.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,617.14 : 137,471.70 = 56,596.71 : x
  2. Step 2: Convert to fraction form
    99,617.14/137,471.70 = 56,596.71/x
  3. Step 3: Cross multiply
    99,617.14x = 137,471.70 × 56,596.71
  4. Step 4: Simplify right side
    99,617.14x = 7,780,445,392.24
  5. Step 5: Solve for x
    x = 7,780,445,392.24/99,617.14
  6. Step 6: Final answer
    x = 78,103.48

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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.