Home / 47,300.87-70,949.25-11,761.45

Finding the Fourth Proportional to 47,300.87, 70,949.25 and 11,761.45

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Solution

The fourth proportional to 47,300.87, 70,949.25 and 11,761.45 is: 17,641.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,300.87 : 70,949.25 = 11,761.45 : x
  2. Step 2: Convert to fraction form
    47,300.87/70,949.25 = 11,761.45/x
  3. Step 3: Cross multiply
    47,300.87x = 70,949.25 × 11,761.45
  4. Step 4: Simplify right side
    47,300.87x = 834,465,879.04
  5. Step 5: Solve for x
    x = 834,465,879.04/47,300.87
  6. Step 6: Final answer
    x = 17,641.66

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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.