Home / 77,561.95-107,023.83-43,563.92

Finding the Fourth Proportional to 77,561.95, 107,023.83 and 43,563.92

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Solution

The fourth proportional to 77,561.95, 107,023.83 and 43,563.92 is: 60,111.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,561.95 : 107,023.83 = 43,563.92 : x
  2. Step 2: Convert to fraction form
    77,561.95/107,023.83 = 43,563.92/x
  3. Step 3: Cross multiply
    77,561.95x = 107,023.83 × 43,563.92
  4. Step 4: Simplify right side
    77,561.95x = 4,662,377,568.21
  5. Step 5: Solve for x
    x = 4,662,377,568.21/77,561.95
  6. Step 6: Final answer
    x = 60,111.66

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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.