Home / 76,207.02-114,292.15-31,809.71

Finding the Fourth Proportional to 76,207.02, 114,292.15 and 31,809.71

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Solution

The fourth proportional to 76,207.02, 114,292.15 and 31,809.71 is: 47,706.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,207.02 : 114,292.15 = 31,809.71 : x
  2. Step 2: Convert to fraction form
    76,207.02/114,292.15 = 31,809.71/x
  3. Step 3: Cross multiply
    76,207.02x = 114,292.15 × 31,809.71
  4. Step 4: Simplify right side
    76,207.02x = 3,635,599,495.79
  5. Step 5: Solve for x
    x = 3,635,599,495.79/76,207.02
  6. Step 6: Final answer
    x = 47,706.88

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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.