Home / 88,343.38-121,910.70-48,055.60

Finding the Fourth Proportional to 88,343.38, 121,910.70 and 48,055.60

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Solution

The fourth proportional to 88,343.38, 121,910.70 and 48,055.60 is: 66,315.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,343.38 : 121,910.70 = 48,055.60 : x
  2. Step 2: Convert to fraction form
    88,343.38/121,910.70 = 48,055.60/x
  3. Step 3: Cross multiply
    88,343.38x = 121,910.70 × 48,055.60
  4. Step 4: Simplify right side
    88,343.38x = 5,858,491,834.92
  5. Step 5: Solve for x
    x = 5,858,491,834.92/88,343.38
  6. Step 6: Final answer
    x = 66,315.01

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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.