Home / 99,527.96-137,439.86-63,241.35

Finding the Fourth Proportional to 99,527.96, 137,439.86 and 63,241.35

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Solution

The fourth proportional to 99,527.96, 137,439.86 and 63,241.35 is: 87,331.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,527.96 : 137,439.86 = 63,241.35 : x
  2. Step 2: Convert to fraction form
    99,527.96/137,439.86 = 63,241.35/x
  3. Step 3: Cross multiply
    99,527.96x = 137,439.86 × 63,241.35
  4. Step 4: Simplify right side
    99,527.96x = 8,691,882,475.71
  5. Step 5: Solve for x
    x = 8,691,882,475.71/99,527.96
  6. Step 6: Final answer
    x = 87,331.07

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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.