Home / 88,278.68-121,784.38-52,448.33

Finding the Fourth Proportional to 88,278.68, 121,784.38 and 52,448.33

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Solution

The fourth proportional to 88,278.68, 121,784.38 and 52,448.33 is: 72,354.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,278.68 : 121,784.38 = 52,448.33 : x
  2. Step 2: Convert to fraction form
    88,278.68/121,784.38 = 52,448.33/x
  3. Step 3: Cross multiply
    88,278.68x = 121,784.38 × 52,448.33
  4. Step 4: Simplify right side
    88,278.68x = 6,387,387,524.43
  5. Step 5: Solve for x
    x = 6,387,387,524.43/88,278.68
  6. Step 6: Final answer
    x = 72,354.81

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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.