Home / 105,947.85-146,207.48-57,549.39

Finding the Fourth Proportional to 105,947.85, 146,207.48 and 57,549.39

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Solution

The fourth proportional to 105,947.85, 146,207.48 and 57,549.39 is: 79,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,947.85 : 146,207.48 = 57,549.39 : x
  2. Step 2: Convert to fraction form
    105,947.85/146,207.48 = 57,549.39/x
  3. Step 3: Cross multiply
    105,947.85x = 146,207.48 × 57,549.39
  4. Step 4: Simplify right side
    105,947.85x = 8,414,150,775.13
  5. Step 5: Solve for x
    x = 8,414,150,775.13/105,947.85
  6. Step 6: Final answer
    x = 79,417.85

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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.