Home / 72,443.10-108,535.05-44,708.70

Finding the Fourth Proportional to 72,443.10, 108,535.05 and 44,708.70

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Solution

The fourth proportional to 72,443.10, 108,535.05 and 44,708.70 is: 66,983.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,443.10 : 108,535.05 = 44,708.70 : x
  2. Step 2: Convert to fraction form
    72,443.10/108,535.05 = 44,708.70/x
  3. Step 3: Cross multiply
    72,443.10x = 108,535.05 × 44,708.70
  4. Step 4: Simplify right side
    72,443.10x = 4,852,460,989.94
  5. Step 5: Solve for x
    x = 4,852,460,989.94/72,443.10
  6. Step 6: Final answer
    x = 66,983.07

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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.