Home / 84,719.40-126,996.48-40,334.22

Finding the Fourth Proportional to 84,719.40, 126,996.48 and 40,334.22

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Solution

The fourth proportional to 84,719.40, 126,996.48 and 40,334.22 is: 60,462.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,719.40 : 126,996.48 = 40,334.22 : x
  2. Step 2: Convert to fraction form
    84,719.40/126,996.48 = 40,334.22/x
  3. Step 3: Cross multiply
    84,719.40x = 126,996.48 × 40,334.22
  4. Step 4: Simplify right side
    84,719.40x = 5,122,303,963.55
  5. Step 5: Solve for x
    x = 5,122,303,963.55/84,719.40
  6. Step 6: Final answer
    x = 60,462.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.