Home / 45,079.15-67,613.50-11,802.42

Finding the Fourth Proportional to 45,079.15, 67,613.50 and 11,802.42

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Solution

The fourth proportional to 45,079.15, 67,613.50 and 11,802.42 is: 17,702.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,079.15 : 67,613.50 = 11,802.42 : x
  2. Step 2: Convert to fraction form
    45,079.15/67,613.50 = 11,802.42/x
  3. Step 3: Cross multiply
    45,079.15x = 67,613.50 × 11,802.42
  4. Step 4: Simplify right side
    45,079.15x = 798,002,924.67
  5. Step 5: Solve for x
    x = 798,002,924.67/45,079.15
  6. Step 6: Final answer
    x = 17,702.26

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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.