Home / 90,928.40-136,305.11-46,576.04

Finding the Fourth Proportional to 90,928.40, 136,305.11 and 46,576.04

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Solution

The fourth proportional to 90,928.40, 136,305.11 and 46,576.04 is: 69,819.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,928.40 : 136,305.11 = 46,576.04 : x
  2. Step 2: Convert to fraction form
    90,928.40/136,305.11 = 46,576.04/x
  3. Step 3: Cross multiply
    90,928.40x = 136,305.11 × 46,576.04
  4. Step 4: Simplify right side
    90,928.40x = 6,348,551,690.48
  5. Step 5: Solve for x
    x = 6,348,551,690.48/90,928.40
  6. Step 6: Final answer
    x = 69,819.24

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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.