Home / 89,584.02-134,842.64-76,053.78

Finding the Fourth Proportional to 89,584.02, 134,842.64 and 76,053.78

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Solution

The fourth proportional to 89,584.02, 134,842.64 and 76,053.78 is: 114,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,584.02 : 134,842.64 = 76,053.78 : x
  2. Step 2: Convert to fraction form
    89,584.02/134,842.64 = 76,053.78/x
  3. Step 3: Cross multiply
    89,584.02x = 134,842.64 × 76,053.78
  4. Step 4: Simplify right side
    89,584.02x = 10,255,292,096.91
  5. Step 5: Solve for x
    x = 10,255,292,096.91/89,584.02
  6. Step 6: Final answer
    x = 114,476.80

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.