Home / 88,397.36-121,993.80-50,677.28

Finding the Fourth Proportional to 88,397.36, 121,993.80 and 50,677.28

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Solution

The fourth proportional to 88,397.36, 121,993.80 and 50,677.28 is: 69,937.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,397.36 : 121,993.80 = 50,677.28 : x
  2. Step 2: Convert to fraction form
    88,397.36/121,993.80 = 50,677.28/x
  3. Step 3: Cross multiply
    88,397.36x = 121,993.80 × 50,677.28
  4. Step 4: Simplify right side
    88,397.36x = 6,182,313,960.86
  5. Step 5: Solve for x
    x = 6,182,313,960.86/88,397.36
  6. Step 6: Final answer
    x = 69,937.77

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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.