Home / 91,589.42-126,408.35-62,885.25

Finding the Fourth Proportional to 91,589.42, 126,408.35 and 62,885.25

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Solution

The fourth proportional to 91,589.42, 126,408.35 and 62,885.25 is: 86,791.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,589.42 : 126,408.35 = 62,885.25 : x
  2. Step 2: Convert to fraction form
    91,589.42/126,408.35 = 62,885.25/x
  3. Step 3: Cross multiply
    91,589.42x = 126,408.35 × 62,885.25
  4. Step 4: Simplify right side
    91,589.42x = 7,949,220,377.41
  5. Step 5: Solve for x
    x = 7,949,220,377.41/91,589.42
  6. Step 6: Final answer
    x = 86,791.91

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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.