Home / 74,198.60-102,529.85-54,020.45

Finding the Fourth Proportional to 74,198.60, 102,529.85 and 54,020.45

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Solution

The fourth proportional to 74,198.60, 102,529.85 and 54,020.45 is: 74,647.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,198.60 : 102,529.85 = 54,020.45 : x
  2. Step 2: Convert to fraction form
    74,198.60/102,529.85 = 54,020.45/x
  3. Step 3: Cross multiply
    74,198.60x = 102,529.85 × 54,020.45
  4. Step 4: Simplify right side
    74,198.60x = 5,538,708,925.52
  5. Step 5: Solve for x
    x = 5,538,708,925.52/74,198.60
  6. Step 6: Final answer
    x = 74,647.08

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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.