Home / 65,827.20-98,740.80-26,412.60

Finding the Fourth Proportional to 65,827.20, 98,740.80 and 26,412.60

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Solution

The fourth proportional to 65,827.20, 98,740.80 and 26,412.60 is: 39,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,827.20 : 98,740.80 = 26,412.60 : x
  2. Step 2: Convert to fraction form
    65,827.20/98,740.80 = 26,412.60/x
  3. Step 3: Cross multiply
    65,827.20x = 98,740.80 × 26,412.60
  4. Step 4: Simplify right side
    65,827.20x = 2,608,001,254.08
  5. Step 5: Solve for x
    x = 2,608,001,254.08/65,827.20
  6. Step 6: Final answer
    x = 39,618.90

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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.