Home / 74,245.59-102,325.04-54,070.53

Finding the Fourth Proportional to 74,245.59, 102,325.04 and 54,070.53

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Solution

The fourth proportional to 74,245.59, 102,325.04 and 54,070.53 is: 74,519.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,245.59 : 102,325.04 = 54,070.53 : x
  2. Step 2: Convert to fraction form
    74,245.59/102,325.04 = 54,070.53/x
  3. Step 3: Cross multiply
    74,245.59x = 102,325.04 × 54,070.53
  4. Step 4: Simplify right side
    74,245.59x = 5,532,768,874.72
  5. Step 5: Solve for x
    x = 5,532,768,874.72/74,245.59
  6. Step 6: Final answer
    x = 74,519.83

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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.