Home / 85,075.22-127,614.04-32,487.60

Finding the Fourth Proportional to 85,075.22, 127,614.04 and 32,487.60

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Solution

The fourth proportional to 85,075.22, 127,614.04 and 32,487.60 is: 48,731.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,075.22 : 127,614.04 = 32,487.60 : x
  2. Step 2: Convert to fraction form
    85,075.22/127,614.04 = 32,487.60/x
  3. Step 3: Cross multiply
    85,075.22x = 127,614.04 × 32,487.60
  4. Step 4: Simplify right side
    85,075.22x = 4,145,873,885.90
  5. Step 5: Solve for x
    x = 4,145,873,885.90/85,075.22
  6. Step 6: Final answer
    x = 48,731.86

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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.