Home / 91,207.40-136,811.10-32,109.80

Finding the Fourth Proportional to 91,207.40, 136,811.10 and 32,109.80

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Solution

The fourth proportional to 91,207.40, 136,811.10 and 32,109.80 is: 48,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,207.40 : 136,811.10 = 32,109.80 : x
  2. Step 2: Convert to fraction form
    91,207.40/136,811.10 = 32,109.80/x
  3. Step 3: Cross multiply
    91,207.40x = 136,811.10 × 32,109.80
  4. Step 4: Simplify right side
    91,207.40x = 4,392,977,058.78
  5. Step 5: Solve for x
    x = 4,392,977,058.78/91,207.40
  6. Step 6: Final answer
    x = 48,164.70

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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.