Home / 92,432.38-127,556.69-49,990.91

Finding the Fourth Proportional to 92,432.38, 127,556.69 and 49,990.91

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Solution

The fourth proportional to 92,432.38, 127,556.69 and 49,990.91 is: 68,987.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,432.38 : 127,556.69 = 49,990.91 : x
  2. Step 2: Convert to fraction form
    92,432.38/127,556.69 = 49,990.91/x
  3. Step 3: Cross multiply
    92,432.38x = 127,556.69 × 49,990.91
  4. Step 4: Simplify right side
    92,432.38x = 6,376,675,009.69
  5. Step 5: Solve for x
    x = 6,376,675,009.69/92,432.38
  6. Step 6: Final answer
    x = 68,987.46

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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.