Home / 74,348.55-102,601.06-40,357.01

Finding the Fourth Proportional to 74,348.55, 102,601.06 and 40,357.01

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Solution

The fourth proportional to 74,348.55, 102,601.06 and 40,357.01 is: 55,692.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,348.55 : 102,601.06 = 40,357.01 : x
  2. Step 2: Convert to fraction form
    74,348.55/102,601.06 = 40,357.01/x
  3. Step 3: Cross multiply
    74,348.55x = 102,601.06 × 40,357.01
  4. Step 4: Simplify right side
    74,348.55x = 4,140,672,160.04
  5. Step 5: Solve for x
    x = 4,140,672,160.04/74,348.55
  6. Step 6: Final answer
    x = 55,692.71

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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.