Home / 74,538.24-102,856.55-43,906.47

Finding the Fourth Proportional to 74,538.24, 102,856.55 and 43,906.47

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Solution

The fourth proportional to 74,538.24, 102,856.55 and 43,906.47 is: 60,587.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,538.24 : 102,856.55 = 43,906.47 : x
  2. Step 2: Convert to fraction form
    74,538.24/102,856.55 = 43,906.47/x
  3. Step 3: Cross multiply
    74,538.24x = 102,856.55 × 43,906.47
  4. Step 4: Simplify right side
    74,538.24x = 4,516,067,807.35
  5. Step 5: Solve for x
    x = 4,516,067,807.35/74,538.24
  6. Step 6: Final answer
    x = 60,587.26

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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.