Home / 92,016.78-126,987.66-51,743.22

Finding the Fourth Proportional to 92,016.78, 126,987.66 and 51,743.22

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Solution

The fourth proportional to 92,016.78, 126,987.66 and 51,743.22 is: 71,408.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,016.78 : 126,987.66 = 51,743.22 : x
  2. Step 2: Convert to fraction form
    92,016.78/126,987.66 = 51,743.22/x
  3. Step 3: Cross multiply
    92,016.78x = 126,987.66 × 51,743.22
  4. Step 4: Simplify right side
    92,016.78x = 6,570,750,428.67
  5. Step 5: Solve for x
    x = 6,570,750,428.67/92,016.78
  6. Step 6: Final answer
    x = 71,408.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.