Home / 65,136.10-97,532.86-52,418.24

Finding the Fourth Proportional to 65,136.10, 97,532.86 and 52,418.24

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Solution

The fourth proportional to 65,136.10, 97,532.86 and 52,418.24 is: 78,489.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,136.10 : 97,532.86 = 52,418.24 : x
  2. Step 2: Convert to fraction form
    65,136.10/97,532.86 = 52,418.24/x
  3. Step 3: Cross multiply
    65,136.10x = 97,532.86 × 52,418.24
  4. Step 4: Simplify right side
    65,136.10x = 5,112,500,708.69
  5. Step 5: Solve for x
    x = 5,112,500,708.69/65,136.10
  6. Step 6: Final answer
    x = 78,489.51

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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.