Home / 90,738.91-125,236.16-52,493.95

Finding the Fourth Proportional to 90,738.91, 125,236.16 and 52,493.95

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Solution

The fourth proportional to 90,738.91, 125,236.16 and 52,493.95 is: 72,451.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,738.91 : 125,236.16 = 52,493.95 : x
  2. Step 2: Convert to fraction form
    90,738.91/125,236.16 = 52,493.95/x
  3. Step 3: Cross multiply
    90,738.91x = 125,236.16 × 52,493.95
  4. Step 4: Simplify right side
    90,738.91x = 6,574,140,721.23
  5. Step 5: Solve for x
    x = 6,574,140,721.23/90,738.91
  6. Step 6: Final answer
    x = 72,451.18

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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.