Home / 74,749.71-103,163.91-42,917.93

Finding the Fourth Proportional to 74,749.71, 103,163.91 and 42,917.93

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Solution

The fourth proportional to 74,749.71, 103,163.91 and 42,917.93 is: 59,232.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,749.71 : 103,163.91 = 42,917.93 : x
  2. Step 2: Convert to fraction form
    74,749.71/103,163.91 = 42,917.93/x
  3. Step 3: Cross multiply
    74,749.71x = 103,163.91 × 42,917.93
  4. Step 4: Simplify right side
    74,749.71x = 4,427,580,952.09
  5. Step 5: Solve for x
    x = 4,427,580,952.09/74,749.71
  6. Step 6: Final answer
    x = 59,232.08

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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.