Home / 121,069.59-181,541.05-54,452.66

Finding the Fourth Proportional to 121,069.59, 181,541.05 and 54,452.66

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Solution

The fourth proportional to 121,069.59, 181,541.05 and 54,452.66 is: 81,650.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,069.59 : 181,541.05 = 54,452.66 : x
  2. Step 2: Convert to fraction form
    121,069.59/181,541.05 = 54,452.66/x
  3. Step 3: Cross multiply
    121,069.59x = 181,541.05 × 54,452.66
  4. Step 4: Simplify right side
    121,069.59x = 9,885,392,027.86
  5. Step 5: Solve for x
    x = 9,885,392,027.86/121,069.59
  6. Step 6: Final answer
    x = 81,650.50

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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.