Home / 65,507.20-98,261.26-28,035.70

Finding the Fourth Proportional to 65,507.20, 98,261.26 and 28,035.70

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Solution

The fourth proportional to 65,507.20, 98,261.26 and 28,035.70 is: 42,053.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,507.20 : 98,261.26 = 28,035.70 : x
  2. Step 2: Convert to fraction form
    65,507.20/98,261.26 = 28,035.70/x
  3. Step 3: Cross multiply
    65,507.20x = 98,261.26 × 28,035.70
  4. Step 4: Simplify right side
    65,507.20x = 2,754,823,206.98
  5. Step 5: Solve for x
    x = 2,754,823,206.98/65,507.20
  6. Step 6: Final answer
    x = 42,053.75

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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.