Home / 81,594.61-112,535.60-67,422.85

Finding the Fourth Proportional to 81,594.61, 112,535.60 and 67,422.85

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Solution

The fourth proportional to 81,594.61, 112,535.60 and 67,422.85 is: 92,989.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,594.61 : 112,535.60 = 67,422.85 : x
  2. Step 2: Convert to fraction form
    81,594.61/112,535.60 = 67,422.85/x
  3. Step 3: Cross multiply
    81,594.61x = 112,535.60 × 67,422.85
  4. Step 4: Simplify right side
    81,594.61x = 7,587,470,260.01
  5. Step 5: Solve for x
    x = 7,587,470,260.01/81,594.61
  6. Step 6: Final answer
    x = 92,989.85

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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.