Home / 92,275.19-127,340.20-51,989.59

Finding the Fourth Proportional to 92,275.19, 127,340.20 and 51,989.59

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Solution

The fourth proportional to 92,275.19, 127,340.20 and 51,989.59 is: 71,745.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,275.19 : 127,340.20 = 51,989.59 : x
  2. Step 2: Convert to fraction form
    92,275.19/127,340.20 = 51,989.59/x
  3. Step 3: Cross multiply
    92,275.19x = 127,340.20 × 51,989.59
  4. Step 4: Simplify right side
    92,275.19x = 6,620,364,788.52
  5. Step 5: Solve for x
    x = 6,620,364,788.52/92,275.19
  6. Step 6: Final answer
    x = 71,745.88

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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.