Home / 81,825.39-112,772.25-60,567.75

Finding the Fourth Proportional to 81,825.39, 112,772.25 and 60,567.75

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Solution

The fourth proportional to 81,825.39, 112,772.25 and 60,567.75 is: 83,474.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,825.39 : 112,772.25 = 60,567.75 : x
  2. Step 2: Convert to fraction form
    81,825.39/112,772.25 = 60,567.75/x
  3. Step 3: Cross multiply
    81,825.39x = 112,772.25 × 60,567.75
  4. Step 4: Simplify right side
    81,825.39x = 6,830,361,444.94
  5. Step 5: Solve for x
    x = 6,830,361,444.94/81,825.39
  6. Step 6: Final answer
    x = 83,474.84

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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.