Home / 88,272.68-121,816.82-47,986.76

Finding the Fourth Proportional to 88,272.68, 121,816.82 and 47,986.76

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Solution

The fourth proportional to 88,272.68, 121,816.82 and 47,986.76 is: 66,222.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,272.68 : 121,816.82 = 47,986.76 : x
  2. Step 2: Convert to fraction form
    88,272.68/121,816.82 = 47,986.76/x
  3. Step 3: Cross multiply
    88,272.68x = 121,816.82 × 47,986.76
  4. Step 4: Simplify right side
    88,272.68x = 5,845,594,505.30
  5. Step 5: Solve for x
    x = 5,845,594,505.30/88,272.68
  6. Step 6: Final answer
    x = 66,222.01

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1.5x scale

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.