Home / 65,853.90-98,778.45-26,400.30

Finding the Fourth Proportional to 65,853.90, 98,778.45 and 26,400.30

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Solution

The fourth proportional to 65,853.90, 98,778.45 and 26,400.30 is: 39,599.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,853.90 : 98,778.45 = 26,400.30 : x
  2. Step 2: Convert to fraction form
    65,853.90/98,778.45 = 26,400.30/x
  3. Step 3: Cross multiply
    65,853.90x = 98,778.45 × 26,400.30
  4. Step 4: Simplify right side
    65,853.90x = 2,607,780,713.54
  5. Step 5: Solve for x
    x = 2,607,780,713.54/65,853.90
  6. Step 6: Final answer
    x = 39,599.49

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1.5x scale

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.