Home / 79,680.02-119,476.28-54,726.35

Finding the Fourth Proportional to 79,680.02, 119,476.28 and 54,726.35

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Solution

The fourth proportional to 79,680.02, 119,476.28 and 54,726.35 is: 82,059.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,680.02 : 119,476.28 = 54,726.35 : x
  2. Step 2: Convert to fraction form
    79,680.02/119,476.28 = 54,726.35/x
  3. Step 3: Cross multiply
    79,680.02x = 119,476.28 × 54,726.35
  4. Step 4: Simplify right side
    79,680.02x = 6,538,499,844.96
  5. Step 5: Solve for x
    x = 6,538,499,844.96/79,680.02
  6. Step 6: Final answer
    x = 82,059.47

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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.