Home / 58,565.28-80,820.12-31,707.80

Finding the Fourth Proportional to 58,565.28, 80,820.12 and 31,707.80

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Solution

The fourth proportional to 58,565.28, 80,820.12 and 31,707.80 is: 43,756.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,565.28 : 80,820.12 = 31,707.80 : x
  2. Step 2: Convert to fraction form
    58,565.28/80,820.12 = 31,707.80/x
  3. Step 3: Cross multiply
    58,565.28x = 80,820.12 × 31,707.80
  4. Step 4: Simplify right side
    58,565.28x = 2,562,627,796.84
  5. Step 5: Solve for x
    x = 2,562,627,796.84/58,565.28
  6. Step 6: Final answer
    x = 43,756.78

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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.