Home / 55,206.32-76,152.36-39,055.56

Finding the Fourth Proportional to 55,206.32, 76,152.36 and 39,055.56

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Solution

The fourth proportional to 55,206.32, 76,152.36 and 39,055.56 is: 53,873.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,206.32 : 76,152.36 = 39,055.56 : x
  2. Step 2: Convert to fraction form
    55,206.32/76,152.36 = 39,055.56/x
  3. Step 3: Cross multiply
    55,206.32x = 76,152.36 × 39,055.56
  4. Step 4: Simplify right side
    55,206.32x = 2,974,173,065.12
  5. Step 5: Solve for x
    x = 2,974,173,065.12/55,206.32
  6. Step 6: Final answer
    x = 53,873.78

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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.