Home / 88,097.25-121,574.34-50,372.31

Finding the Fourth Proportional to 88,097.25, 121,574.34 and 50,372.31

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Solution

The fourth proportional to 88,097.25, 121,574.34 and 50,372.31 is: 69,513.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,097.25 : 121,574.34 = 50,372.31 : x
  2. Step 2: Convert to fraction form
    88,097.25/121,574.34 = 50,372.31/x
  3. Step 3: Cross multiply
    88,097.25x = 121,574.34 × 50,372.31
  4. Step 4: Simplify right side
    88,097.25x = 6,123,980,342.53
  5. Step 5: Solve for x
    x = 6,123,980,342.53/88,097.25
  6. Step 6: Final answer
    x = 69,513.86

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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.