Home / 65,947.92-98,701.56-39,207.12

Finding the Fourth Proportional to 65,947.92, 98,701.56 and 39,207.12

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Solution

The fourth proportional to 65,947.92, 98,701.56 and 39,207.12 is: 58,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,947.92 : 98,701.56 = 39,207.12 : x
  2. Step 2: Convert to fraction form
    65,947.92/98,701.56 = 39,207.12/x
  3. Step 3: Cross multiply
    65,947.92x = 98,701.56 × 39,207.12
  4. Step 4: Simplify right side
    65,947.92x = 3,869,803,907.11
  5. Step 5: Solve for x
    x = 3,869,803,907.11/65,947.92
  6. Step 6: Final answer
    x = 58,679.70

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1.5x scale

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.