Home / 113,001.96-155,947.60-67,687.32

Finding the Fourth Proportional to 113,001.96, 155,947.60 and 67,687.32

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Solution

The fourth proportional to 113,001.96, 155,947.60 and 67,687.32 is: 93,411.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,001.96 : 155,947.60 = 67,687.32 : x
  2. Step 2: Convert to fraction form
    113,001.96/155,947.60 = 67,687.32/x
  3. Step 3: Cross multiply
    113,001.96x = 155,947.60 × 67,687.32
  4. Step 4: Simplify right side
    113,001.96x = 10,555,675,104.43
  5. Step 5: Solve for x
    x = 10,555,675,104.43/113,001.96
  6. Step 6: Final answer
    x = 93,411.43

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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.