Home / 74,642.28-103,027.53-49,167.24

Finding the Fourth Proportional to 74,642.28, 103,027.53 and 49,167.24

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Solution

The fourth proportional to 74,642.28, 103,027.53 and 49,167.24 is: 67,864.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,642.28 : 103,027.53 = 49,167.24 : x
  2. Step 2: Convert to fraction form
    74,642.28/103,027.53 = 49,167.24/x
  3. Step 3: Cross multiply
    74,642.28x = 103,027.53 × 49,167.24
  4. Step 4: Simplify right side
    74,642.28x = 5,065,579,294.12
  5. Step 5: Solve for x
    x = 5,065,579,294.12/74,642.28
  6. Step 6: Final answer
    x = 67,864.74

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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.