Home / 65,686.56-98,528.16-18,301.44

Finding the Fourth Proportional to 65,686.56, 98,528.16 and 18,301.44

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Solution

The fourth proportional to 65,686.56, 98,528.16 and 18,301.44 is: 27,451.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,686.56 : 98,528.16 = 18,301.44 : x
  2. Step 2: Convert to fraction form
    65,686.56/98,528.16 = 18,301.44/x
  3. Step 3: Cross multiply
    65,686.56x = 98,528.16 × 18,301.44
  4. Step 4: Simplify right side
    65,686.56x = 1,803,207,208.55
  5. Step 5: Solve for x
    x = 1,803,207,208.55/65,686.56
  6. Step 6: Final answer
    x = 27,451.69

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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.