Home / 65,180.19-89,947.88-36,885.15

Finding the Fourth Proportional to 65,180.19, 89,947.88 and 36,885.15

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Solution

The fourth proportional to 65,180.19, 89,947.88 and 36,885.15 is: 50,901.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,180.19 : 89,947.88 = 36,885.15 : x
  2. Step 2: Convert to fraction form
    65,180.19/89,947.88 = 36,885.15/x
  3. Step 3: Cross multiply
    65,180.19x = 89,947.88 × 36,885.15
  4. Step 4: Simplify right side
    65,180.19x = 3,317,740,861.56
  5. Step 5: Solve for x
    x = 3,317,740,861.56/65,180.19
  6. Step 6: Final answer
    x = 50,901.06

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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.