Home / 65,742.20-98,637.60-26,327.60

Finding the Fourth Proportional to 65,742.20, 98,637.60 and 26,327.60

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Solution

The fourth proportional to 65,742.20, 98,637.60 and 26,327.60 is: 39,501.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,742.20 : 98,637.60 = 26,327.60 : x
  2. Step 2: Convert to fraction form
    65,742.20/98,637.60 = 26,327.60/x
  3. Step 3: Cross multiply
    65,742.20x = 98,637.60 × 26,327.60
  4. Step 4: Simplify right side
    65,742.20x = 2,596,891,277.76
  5. Step 5: Solve for x
    x = 2,596,891,277.76/65,742.20
  6. Step 6: Final answer
    x = 39,501.13

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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.