Home / 74,137.38-102,353.73-45,881.34

Finding the Fourth Proportional to 74,137.38, 102,353.73 and 45,881.34

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Solution

The fourth proportional to 74,137.38, 102,353.73 and 45,881.34 is: 63,343.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,137.38 : 102,353.73 = 45,881.34 : x
  2. Step 2: Convert to fraction form
    74,137.38/102,353.73 = 45,881.34/x
  3. Step 3: Cross multiply
    74,137.38x = 102,353.73 × 45,881.34
  4. Step 4: Simplify right side
    74,137.38x = 4,696,126,286.40
  5. Step 5: Solve for x
    x = 4,696,126,286.40/74,137.38
  6. Step 6: Final answer
    x = 63,343.57

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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.