Home / 88,004.09-121,434.03-49,768.85

Finding the Fourth Proportional to 88,004.09, 121,434.03 and 49,768.85

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Solution

The fourth proportional to 88,004.09, 121,434.03 and 49,768.85 is: 68,674.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,004.09 : 121,434.03 = 49,768.85 : x
  2. Step 2: Convert to fraction form
    88,004.09/121,434.03 = 49,768.85/x
  3. Step 3: Cross multiply
    88,004.09x = 121,434.03 × 49,768.85
  4. Step 4: Simplify right side
    88,004.09x = 6,043,631,416.80
  5. Step 5: Solve for x
    x = 6,043,631,416.80/88,004.09
  6. Step 6: Final answer
    x = 68,674.44

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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.