Home / 88,249.89-121,785.65-47,963.76

Finding the Fourth Proportional to 88,249.89, 121,785.65 and 47,963.76

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Solution

The fourth proportional to 88,249.89, 121,785.65 and 47,963.76 is: 66,190.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,249.89 : 121,785.65 = 47,963.76 : x
  2. Step 2: Convert to fraction form
    88,249.89/121,785.65 = 47,963.76/x
  3. Step 3: Cross multiply
    88,249.89x = 121,785.65 × 47,963.76
  4. Step 4: Simplify right side
    88,249.89x = 5,841,297,688.04
  5. Step 5: Solve for x
    x = 5,841,297,688.04/88,249.89
  6. Step 6: Final answer
    x = 66,190.42

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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.