Home / 58,545.68-80,792.34-31,687.55

Finding the Fourth Proportional to 58,545.68, 80,792.34 and 31,687.55

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Solution

The fourth proportional to 58,545.68, 80,792.34 and 31,687.55 is: 43,728.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,545.68 : 80,792.34 = 31,687.55 : x
  2. Step 2: Convert to fraction form
    58,545.68/80,792.34 = 31,687.55/x
  3. Step 3: Cross multiply
    58,545.68x = 80,792.34 × 31,687.55
  4. Step 4: Simplify right side
    58,545.68x = 2,560,111,313.37
  5. Step 5: Solve for x
    x = 2,560,111,313.37/58,545.68
  6. Step 6: Final answer
    x = 43,728.44

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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.