Home / 91,225.72-136,782.68-32,068.18

Finding the Fourth Proportional to 91,225.72, 136,782.68 and 32,068.18

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Solution

The fourth proportional to 91,225.72, 136,782.68 and 32,068.18 is: 48,082.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,225.72 : 136,782.68 = 32,068.18 : x
  2. Step 2: Convert to fraction form
    91,225.72/136,782.68 = 32,068.18/x
  3. Step 3: Cross multiply
    91,225.72x = 136,782.68 × 32,068.18
  4. Step 4: Simplify right side
    91,225.72x = 4,386,370,919.21
  5. Step 5: Solve for x
    x = 4,386,370,919.21/91,225.72
  6. Step 6: Final answer
    x = 48,082.61

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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.