Home / 91,248.32-136,880.60-32,084.51

Finding the Fourth Proportional to 91,248.32, 136,880.60 and 32,084.51

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Solution

The fourth proportional to 91,248.32, 136,880.60 and 32,084.51 is: 48,129.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,248.32 : 136,880.60 = 32,084.51 : x
  2. Step 2: Convert to fraction form
    91,248.32/136,880.60 = 32,084.51/x
  3. Step 3: Cross multiply
    91,248.32x = 136,880.60 × 32,084.51
  4. Step 4: Simplify right side
    91,248.32x = 4,391,746,134.68
  5. Step 5: Solve for x
    x = 4,391,746,134.68/91,248.32
  6. Step 6: Final answer
    x = 48,129.61

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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.