Home / 92,020.78-126,987.46-51,184.63

Finding the Fourth Proportional to 92,020.78, 126,987.46 and 51,184.63

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Solution

The fourth proportional to 92,020.78, 126,987.46 and 51,184.63 is: 70,634.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,020.78 : 126,987.46 = 51,184.63 : x
  2. Step 2: Convert to fraction form
    92,020.78/126,987.46 = 51,184.63/x
  3. Step 3: Cross multiply
    92,020.78x = 126,987.46 × 51,184.63
  4. Step 4: Simplify right side
    92,020.78x = 6,499,806,154.74
  5. Step 5: Solve for x
    x = 6,499,806,154.74/92,020.78
  6. Step 6: Final answer
    x = 70,634.11

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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.