Home / 74,537.64-102,864.61-42,712.68

Finding the Fourth Proportional to 74,537.64, 102,864.61 and 42,712.68

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Solution

The fourth proportional to 74,537.64, 102,864.61 and 42,712.68 is: 58,945.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,537.64 : 102,864.61 = 42,712.68 : x
  2. Step 2: Convert to fraction form
    74,537.64/102,864.61 = 42,712.68/x
  3. Step 3: Cross multiply
    74,537.64x = 102,864.61 × 42,712.68
  4. Step 4: Simplify right side
    74,537.64x = 4,393,623,609.39
  5. Step 5: Solve for x
    x = 4,393,623,609.39/74,537.64
  6. Step 6: Final answer
    x = 58,945.03

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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.