Home / 91,020.21-136,442.10-34,817.04

Finding the Fourth Proportional to 91,020.21, 136,442.10 and 34,817.04

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Solution

The fourth proportional to 91,020.21, 136,442.10 and 34,817.04 is: 52,191.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,020.21 : 136,442.10 = 34,817.04 : x
  2. Step 2: Convert to fraction form
    91,020.21/136,442.10 = 34,817.04/x
  3. Step 3: Cross multiply
    91,020.21x = 136,442.10 × 34,817.04
  4. Step 4: Simplify right side
    91,020.21x = 4,750,510,053.38
  5. Step 5: Solve for x
    x = 4,750,510,053.38/91,020.21
  6. Step 6: Final answer
    x = 52,191.82

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1.5x scale

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.