Home / 74,297.39-102,530.04-40,305.89

Finding the Fourth Proportional to 74,297.39, 102,530.04 and 40,305.89

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Solution

The fourth proportional to 74,297.39, 102,530.04 and 40,305.89 is: 55,621.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,297.39 : 102,530.04 = 40,305.89 : x
  2. Step 2: Convert to fraction form
    74,297.39/102,530.04 = 40,305.89/x
  3. Step 3: Cross multiply
    74,297.39x = 102,530.04 × 40,305.89
  4. Step 4: Simplify right side
    74,297.39x = 4,132,564,001.29
  5. Step 5: Solve for x
    x = 4,132,564,001.29/74,297.39
  6. Step 6: Final answer
    x = 55,621.93

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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.