Home / 91,742.40-137,627.24-32,573.12

Finding the Fourth Proportional to 91,742.40, 137,627.24 and 32,573.12

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Solution

The fourth proportional to 91,742.40, 137,627.24 and 32,573.12 is: 48,864.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,742.40 : 137,627.24 = 32,573.12 : x
  2. Step 2: Convert to fraction form
    91,742.40/137,627.24 = 32,573.12/x
  3. Step 3: Cross multiply
    91,742.40x = 137,627.24 × 32,573.12
  4. Step 4: Simplify right side
    91,742.40x = 4,482,948,603.79
  5. Step 5: Solve for x
    x = 4,482,948,603.79/91,742.40
  6. Step 6: Final answer
    x = 48,864.52

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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.