Home / 58,566.18-80,821.20-31,708.68

Finding the Fourth Proportional to 58,566.18, 80,821.20 and 31,708.68

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Solution

The fourth proportional to 58,566.18, 80,821.20 and 31,708.68 is: 43,757.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,566.18 : 80,821.20 = 31,708.68 : x
  2. Step 2: Convert to fraction form
    58,566.18/80,821.20 = 31,708.68/x
  3. Step 3: Cross multiply
    58,566.18x = 80,821.20 × 31,708.68
  4. Step 4: Simplify right side
    58,566.18x = 2,562,733,568.02
  5. Step 5: Solve for x
    x = 2,562,733,568.02/58,566.18
  6. Step 6: Final answer
    x = 43,757.91

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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.