Home / 81,183.47-112,032.86-45,373.43

Finding the Fourth Proportional to 81,183.47, 112,032.86 and 45,373.43

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Solution

The fourth proportional to 81,183.47, 112,032.86 and 45,373.43 is: 62,615.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,183.47 : 112,032.86 = 45,373.43 : x
  2. Step 2: Convert to fraction form
    81,183.47/112,032.86 = 45,373.43/x
  3. Step 3: Cross multiply
    81,183.47x = 112,032.86 × 45,373.43
  4. Step 4: Simplify right side
    81,183.47x = 5,083,315,184.12
  5. Step 5: Solve for x
    x = 5,083,315,184.12/81,183.47
  6. Step 6: Final answer
    x = 62,615.15

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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.