Home / 66,337.18-91,546.40-36,123.09

Finding the Fourth Proportional to 66,337.18, 91,546.40 and 36,123.09

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Solution

The fourth proportional to 66,337.18, 91,546.40 and 36,123.09 is: 49,850.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,337.18 : 91,546.40 = 36,123.09 : x
  2. Step 2: Convert to fraction form
    66,337.18/91,546.40 = 36,123.09/x
  3. Step 3: Cross multiply
    66,337.18x = 91,546.40 × 36,123.09
  4. Step 4: Simplify right side
    66,337.18x = 3,306,938,846.38
  5. Step 5: Solve for x
    x = 3,306,938,846.38/66,337.18
  6. Step 6: Final answer
    x = 49,850.46

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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.