Home / 91,099.40-136,649.10-32,001.80

Finding the Fourth Proportional to 91,099.40, 136,649.10 and 32,001.80

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Solution

The fourth proportional to 91,099.40, 136,649.10 and 32,001.80 is: 48,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,099.40 : 136,649.10 = 32,001.80 : x
  2. Step 2: Convert to fraction form
    91,099.40/136,649.10 = 32,001.80/x
  3. Step 3: Cross multiply
    91,099.40x = 136,649.10 × 32,001.80
  4. Step 4: Simplify right side
    91,099.40x = 4,373,017,168.38
  5. Step 5: Solve for x
    x = 4,373,017,168.38/91,099.40
  6. Step 6: Final answer
    x = 48,002.70

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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.