Home / 65,136.30-97,704.45-60,324.90

Finding the Fourth Proportional to 65,136.30, 97,704.45 and 60,324.90

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Solution

The fourth proportional to 65,136.30, 97,704.45 and 60,324.90 is: 90,487.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,136.30 : 97,704.45 = 60,324.90 : x
  2. Step 2: Convert to fraction form
    65,136.30/97,704.45 = 60,324.90/x
  3. Step 3: Cross multiply
    65,136.30x = 97,704.45 × 60,324.90
  4. Step 4: Simplify right side
    65,136.30x = 5,894,011,175.81
  5. Step 5: Solve for x
    x = 5,894,011,175.81/65,136.30
  6. Step 6: Final answer
    x = 90,487.35

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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.