Home / 65,720.10-98,434.35-26,256.90

Finding the Fourth Proportional to 65,720.10, 98,434.35 and 26,256.90

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Solution

The fourth proportional to 65,720.10, 98,434.35 and 26,256.90 is: 39,327.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,720.10 : 98,434.35 = 26,256.90 : x
  2. Step 2: Convert to fraction form
    65,720.10/98,434.35 = 26,256.90/x
  3. Step 3: Cross multiply
    65,720.10x = 98,434.35 × 26,256.90
  4. Step 4: Simplify right side
    65,720.10x = 2,584,580,884.52
  5. Step 5: Solve for x
    x = 2,584,580,884.52/65,720.10
  6. Step 6: Final answer
    x = 39,327.10

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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.