Home / 65,515.28-98,077.06-40,134.84

Finding the Fourth Proportional to 65,515.28, 98,077.06 and 40,134.84

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Solution

The fourth proportional to 65,515.28, 98,077.06 and 40,134.84 is: 60,082.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,515.28 : 98,077.06 = 40,134.84 : x
  2. Step 2: Convert to fraction form
    65,515.28/98,077.06 = 40,134.84/x
  3. Step 3: Cross multiply
    65,515.28x = 98,077.06 × 40,134.84
  4. Step 4: Simplify right side
    65,515.28x = 3,936,307,110.77
  5. Step 5: Solve for x
    x = 3,936,307,110.77/65,515.28
  6. Step 6: Final answer
    x = 60,082.28

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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.