Home / 74,256.90-102,473.28-41,991

Finding the Fourth Proportional to 74,256.90, 102,473.28 and 41,991

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Solution

The fourth proportional to 74,256.90, 102,473.28 and 41,991 is: 57,946.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,256.90 : 102,473.28 = 41,991 : x
  2. Step 2: Convert to fraction form
    74,256.90/102,473.28 = 41,991/x
  3. Step 3: Cross multiply
    74,256.90x = 102,473.28 × 41,991
  4. Step 4: Simplify right side
    74,256.90x = 4,302,955,500.48
  5. Step 5: Solve for x
    x = 4,302,955,500.48/74,256.90
  6. Step 6: Final answer
    x = 57,946.88

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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.