Home / 69,443.60-95,829.40-40,759.36

Finding the Fourth Proportional to 69,443.60, 95,829.40 and 40,759.36

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Solution

The fourth proportional to 69,443.60, 95,829.40 and 40,759.36 is: 56,246.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,443.60 : 95,829.40 = 40,759.36 : x
  2. Step 2: Convert to fraction form
    69,443.60/95,829.40 = 40,759.36/x
  3. Step 3: Cross multiply
    69,443.60x = 95,829.40 × 40,759.36
  4. Step 4: Simplify right side
    69,443.60x = 3,905,945,013.18
  5. Step 5: Solve for x
    x = 3,905,945,013.18/69,443.60
  6. Step 6: Final answer
    x = 56,246.29

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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.