Home / 91,220.72-136,775.18-32,063.18

Finding the Fourth Proportional to 91,220.72, 136,775.18 and 32,063.18

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Solution

The fourth proportional to 91,220.72, 136,775.18 and 32,063.18 is: 48,075.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,220.72 : 136,775.18 = 32,063.18 : x
  2. Step 2: Convert to fraction form
    91,220.72/136,775.18 = 32,063.18/x
  3. Step 3: Cross multiply
    91,220.72x = 136,775.18 × 32,063.18
  4. Step 4: Simplify right side
    91,220.72x = 4,385,446,612.15
  5. Step 5: Solve for x
    x = 4,385,446,612.15/91,220.72
  6. Step 6: Final answer
    x = 48,075.12

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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.