Home / 73,512.32-101,448.04-55,082.78

Finding the Fourth Proportional to 73,512.32, 101,448.04 and 55,082.78

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Solution

The fourth proportional to 73,512.32, 101,448.04 and 55,082.78 is: 76,015.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,512.32 : 101,448.04 = 55,082.78 : x
  2. Step 2: Convert to fraction form
    73,512.32/101,448.04 = 55,082.78/x
  3. Step 3: Cross multiply
    73,512.32x = 101,448.04 × 55,082.78
  4. Step 4: Simplify right side
    73,512.32x = 5,588,040,068.75
  5. Step 5: Solve for x
    x = 5,588,040,068.75/73,512.32
  6. Step 6: Final answer
    x = 76,015.01

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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.