Home / 74,813.30-103,170.34-50,339.26

Finding the Fourth Proportional to 74,813.30, 103,170.34 and 50,339.26

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Solution

The fourth proportional to 74,813.30, 103,170.34 and 50,339.26 is: 69,419.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,813.30 : 103,170.34 = 50,339.26 : x
  2. Step 2: Convert to fraction form
    74,813.30/103,170.34 = 50,339.26/x
  3. Step 3: Cross multiply
    74,813.30x = 103,170.34 × 50,339.26
  4. Step 4: Simplify right side
    74,813.30x = 5,193,518,569.55
  5. Step 5: Solve for x
    x = 5,193,518,569.55/74,813.30
  6. Step 6: Final answer
    x = 69,419.72

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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.