Home / 91,607.70-137,331.55-35,486.10

Finding the Fourth Proportional to 91,607.70, 137,331.55 and 35,486.10

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Solution

The fourth proportional to 91,607.70, 137,331.55 and 35,486.10 is: 53,198.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,607.70 : 137,331.55 = 35,486.10 : x
  2. Step 2: Convert to fraction form
    91,607.70/137,331.55 = 35,486.10/x
  3. Step 3: Cross multiply
    91,607.70x = 137,331.55 × 35,486.10
  4. Step 4: Simplify right side
    91,607.70x = 4,873,361,116.46
  5. Step 5: Solve for x
    x = 4,873,361,116.46/91,607.70
  6. Step 6: Final answer
    x = 53,198.16

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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.