Home / 84,244.81-126,364.78-34,312.56

Finding the Fourth Proportional to 84,244.81, 126,364.78 and 34,312.56

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Solution

The fourth proportional to 84,244.81, 126,364.78 and 34,312.56 is: 51,467.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,244.81 : 126,364.78 = 34,312.56 : x
  2. Step 2: Convert to fraction form
    84,244.81/126,364.78 = 34,312.56/x
  3. Step 3: Cross multiply
    84,244.81x = 126,364.78 × 34,312.56
  4. Step 4: Simplify right side
    84,244.81x = 4,335,898,292.25
  5. Step 5: Solve for x
    x = 4,335,898,292.25/84,244.81
  6. Step 6: Final answer
    x = 51,467.84

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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.