Home / 74,048.34-102,145.17-45,381.89

Finding the Fourth Proportional to 74,048.34, 102,145.17 and 45,381.89

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Solution

The fourth proportional to 74,048.34, 102,145.17 and 45,381.89 is: 62,601.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,048.34 : 102,145.17 = 45,381.89 : x
  2. Step 2: Convert to fraction form
    74,048.34/102,145.17 = 45,381.89/x
  3. Step 3: Cross multiply
    74,048.34x = 102,145.17 × 45,381.89
  4. Step 4: Simplify right side
    74,048.34x = 4,635,540,868.97
  5. Step 5: Solve for x
    x = 4,635,540,868.97/74,048.34
  6. Step 6: Final answer
    x = 62,601.55

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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.