Home / 92,631.20-138,945.58-22,510.31

Finding the Fourth Proportional to 92,631.20, 138,945.58 and 22,510.31

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Solution

The fourth proportional to 92,631.20, 138,945.58 and 22,510.31 is: 33,765.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,631.20 : 138,945.58 = 22,510.31 : x
  2. Step 2: Convert to fraction form
    92,631.20/138,945.58 = 22,510.31/x
  3. Step 3: Cross multiply
    92,631.20x = 138,945.58 × 22,510.31
  4. Step 4: Simplify right side
    92,631.20x = 3,127,708,078.93
  5. Step 5: Solve for x
    x = 3,127,708,078.93/92,631.20
  6. Step 6: Final answer
    x = 33,765.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.