Home / 81,567.44-112,562.38-45,756.68

Finding the Fourth Proportional to 81,567.44, 112,562.38 and 45,756.68

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Solution

The fourth proportional to 81,567.44, 112,562.38 and 45,756.68 is: 63,143.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,567.44 : 112,562.38 = 45,756.68 : x
  2. Step 2: Convert to fraction form
    81,567.44/112,562.38 = 45,756.68/x
  3. Step 3: Cross multiply
    81,567.44x = 112,562.38 × 45,756.68
  4. Step 4: Simplify right side
    81,567.44x = 5,150,480,801.70
  5. Step 5: Solve for x
    x = 5,150,480,801.70/81,567.44
  6. Step 6: Final answer
    x = 63,143.83

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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.