Home / 76,743.94-114,903.34-39,223.23

Finding the Fourth Proportional to 76,743.94, 114,903.34 and 39,223.23

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Solution

The fourth proportional to 76,743.94, 114,903.34 and 39,223.23 is: 58,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,743.94 : 114,903.34 = 39,223.23 : x
  2. Step 2: Convert to fraction form
    76,743.94/114,903.34 = 39,223.23/x
  3. Step 3: Cross multiply
    76,743.94x = 114,903.34 × 39,223.23
  4. Step 4: Simplify right side
    76,743.94x = 4,506,880,132.59
  5. Step 5: Solve for x
    x = 4,506,880,132.59/76,743.94
  6. Step 6: Final answer
    x = 58,726.20

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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.