Home / 94,642.20-130,605.96-54,358.56

Finding the Fourth Proportional to 94,642.20, 130,605.96 and 54,358.56

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Solution

The fourth proportional to 94,642.20, 130,605.96 and 54,358.56 is: 75,014.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,642.20 : 130,605.96 = 54,358.56 : x
  2. Step 2: Convert to fraction form
    94,642.20/130,605.96 = 54,358.56/x
  3. Step 3: Cross multiply
    94,642.20x = 130,605.96 × 54,358.56
  4. Step 4: Simplify right side
    94,642.20x = 7,099,551,913.02
  5. Step 5: Solve for x
    x = 7,099,551,913.02/94,642.20
  6. Step 6: Final answer
    x = 75,014.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.