Home / 58,471.57-80,727.65-40,560.31

Finding the Fourth Proportional to 58,471.57, 80,727.65 and 40,560.31

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Solution

The fourth proportional to 58,471.57, 80,727.65 and 40,560.31 is: 55,998.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,471.57 : 80,727.65 = 40,560.31 : x
  2. Step 2: Convert to fraction form
    58,471.57/80,727.65 = 40,560.31/x
  3. Step 3: Cross multiply
    58,471.57x = 80,727.65 × 40,560.31
  4. Step 4: Simplify right side
    58,471.57x = 3,274,338,509.57
  5. Step 5: Solve for x
    x = 3,274,338,509.57/58,471.57
  6. Step 6: Final answer
    x = 55,998.81

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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.