Home / 88,332-121,898.16-50,628.12

Finding the Fourth Proportional to 88,332, 121,898.16 and 50,628.12

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Solution

The fourth proportional to 88,332, 121,898.16 and 50,628.12 is: 69,866.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,332 : 121,898.16 = 50,628.12 : x
  2. Step 2: Convert to fraction form
    88,332/121,898.16 = 50,628.12/x
  3. Step 3: Cross multiply
    88,332x = 121,898.16 × 50,628.12
  4. Step 4: Simplify right side
    88,332x = 6,171,474,672.26
  5. Step 5: Solve for x
    x = 6,171,474,672.26/88,332
  6. Step 6: Final answer
    x = 69,866.81

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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.