Home / 92,959.13-139,417.83-26,397.78

Finding the Fourth Proportional to 92,959.13, 139,417.83 and 26,397.78

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Solution

The fourth proportional to 92,959.13, 139,417.83 and 26,397.78 is: 39,590.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,959.13 : 139,417.83 = 26,397.78 : x
  2. Step 2: Convert to fraction form
    92,959.13/139,417.83 = 26,397.78/x
  3. Step 3: Cross multiply
    92,959.13x = 139,417.83 × 26,397.78
  4. Step 4: Simplify right side
    92,959.13x = 3,680,321,204.42
  5. Step 5: Solve for x
    x = 3,680,321,204.42/92,959.13
  6. Step 6: Final answer
    x = 39,590.75

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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.