Home / 91,607.85-137,178.49-60,348.33

Finding the Fourth Proportional to 91,607.85, 137,178.49 and 60,348.33

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Solution

The fourth proportional to 91,607.85, 137,178.49 and 60,348.33 is: 90,368.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,607.85 : 137,178.49 = 60,348.33 : x
  2. Step 2: Convert to fraction form
    91,607.85/137,178.49 = 60,348.33/x
  3. Step 3: Cross multiply
    91,607.85x = 137,178.49 × 60,348.33
  4. Step 4: Simplify right side
    91,607.85x = 8,278,492,783.42
  5. Step 5: Solve for x
    x = 8,278,492,783.42/91,607.85
  6. Step 6: Final answer
    x = 90,368.81

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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.