Home / 67,295.10-92,859.12-38,613.18

Finding the Fourth Proportional to 67,295.10, 92,859.12 and 38,613.18

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Solution

The fourth proportional to 67,295.10, 92,859.12 and 38,613.18 is: 53,281.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,295.10 : 92,859.12 = 38,613.18 : x
  2. Step 2: Convert to fraction form
    67,295.10/92,859.12 = 38,613.18/x
  3. Step 3: Cross multiply
    67,295.10x = 92,859.12 × 38,613.18
  4. Step 4: Simplify right side
    67,295.10x = 3,585,585,915.20
  5. Step 5: Solve for x
    x = 3,585,585,915.20/67,295.10
  6. Step 6: Final answer
    x = 53,281.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.