Home / 91,823.60-137,767.80-88,583.60

Finding the Fourth Proportional to 91,823.60, 137,767.80 and 88,583.60

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Solution

The fourth proportional to 91,823.60, 137,767.80 and 88,583.60 is: 132,906.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,823.60 : 137,767.80 = 88,583.60 : x
  2. Step 2: Convert to fraction form
    91,823.60/137,767.80 = 88,583.60/x
  3. Step 3: Cross multiply
    91,823.60x = 137,767.80 × 88,583.60
  4. Step 4: Simplify right side
    91,823.60x = 12,203,967,688.08
  5. Step 5: Solve for x
    x = 12,203,967,688.08/91,823.60
  6. Step 6: Final answer
    x = 132,906.66

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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.