Home / 48,631.75-72,947.63-11,695.75

Finding the Fourth Proportional to 48,631.75, 72,947.63 and 11,695.75

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Solution

The fourth proportional to 48,631.75, 72,947.63 and 11,695.75 is: 17,543.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,631.75 : 72,947.63 = 11,695.75 : x
  2. Step 2: Convert to fraction form
    48,631.75/72,947.63 = 11,695.75/x
  3. Step 3: Cross multiply
    48,631.75x = 72,947.63 × 11,695.75
  4. Step 4: Simplify right side
    48,631.75x = 853,177,243.57
  5. Step 5: Solve for x
    x = 853,177,243.57/48,631.75
  6. Step 6: Final answer
    x = 17,543.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.