Home / 92,934.38-128,255.78-52,648.47

Finding the Fourth Proportional to 92,934.38, 128,255.78 and 52,648.47

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Solution

The fourth proportional to 92,934.38, 128,255.78 and 52,648.47 is: 72,658.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,934.38 : 128,255.78 = 52,648.47 : x
  2. Step 2: Convert to fraction form
    92,934.38/128,255.78 = 52,648.47/x
  3. Step 3: Cross multiply
    92,934.38x = 128,255.78 × 52,648.47
  4. Step 4: Simplify right side
    92,934.38x = 6,752,470,585.66
  5. Step 5: Solve for x
    x = 6,752,470,585.66/92,934.38
  6. Step 6: Final answer
    x = 72,658.48

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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.