Home / 79,407.38-109,547.25-49,184.66

Finding the Fourth Proportional to 79,407.38, 109,547.25 and 49,184.66

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Solution

The fourth proportional to 79,407.38, 109,547.25 and 49,184.66 is: 67,853.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,407.38 : 109,547.25 = 49,184.66 : x
  2. Step 2: Convert to fraction form
    79,407.38/109,547.25 = 49,184.66/x
  3. Step 3: Cross multiply
    79,407.38x = 109,547.25 × 49,184.66
  4. Step 4: Simplify right side
    79,407.38x = 5,388,044,245.19
  5. Step 5: Solve for x
    x = 5,388,044,245.19/79,407.38
  6. Step 6: Final answer
    x = 67,853.19

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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.