Home / 65,621.36-98,460.88-34,449.36

Finding the Fourth Proportional to 65,621.36, 98,460.88 and 34,449.36

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Solution

The fourth proportional to 65,621.36, 98,460.88 and 34,449.36 is: 51,689.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,621.36 : 98,460.88 = 34,449.36 : x
  2. Step 2: Convert to fraction form
    65,621.36/98,460.88 = 34,449.36/x
  3. Step 3: Cross multiply
    65,621.36x = 98,460.88 × 34,449.36
  4. Step 4: Simplify right side
    65,621.36x = 3,391,914,301.04
  5. Step 5: Solve for x
    x = 3,391,914,301.04/65,621.36
  6. Step 6: Final answer
    x = 51,689.18

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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.