Home / 77,217.76-106,565.64-43,229.24

Finding the Fourth Proportional to 77,217.76, 106,565.64 and 43,229.24

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Solution

The fourth proportional to 77,217.76, 106,565.64 and 43,229.24 is: 59,659.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,217.76 : 106,565.64 = 43,229.24 : x
  2. Step 2: Convert to fraction form
    77,217.76/106,565.64 = 43,229.24/x
  3. Step 3: Cross multiply
    77,217.76x = 106,565.64 × 43,229.24
  4. Step 4: Simplify right side
    77,217.76x = 4,606,751,627.31
  5. Step 5: Solve for x
    x = 4,606,751,627.31/77,217.76
  6. Step 6: Final answer
    x = 59,659.22

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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.