Home / 91,724.80-137,538.60-32,562.40

Finding the Fourth Proportional to 91,724.80, 137,538.60 and 32,562.40

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Solution

The fourth proportional to 91,724.80, 137,538.60 and 32,562.40 is: 48,826.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,724.80 : 137,538.60 = 32,562.40 : x
  2. Step 2: Convert to fraction form
    91,724.80/137,538.60 = 32,562.40/x
  3. Step 3: Cross multiply
    91,724.80x = 137,538.60 × 32,562.40
  4. Step 4: Simplify right side
    91,724.80x = 4,478,586,908.64
  5. Step 5: Solve for x
    x = 4,478,586,908.64/91,724.80
  6. Step 6: Final answer
    x = 48,826.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.