Home / 99,327.24-137,091.06-56,914.20

Finding the Fourth Proportional to 99,327.24, 137,091.06 and 56,914.20

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Solution

The fourth proportional to 99,327.24, 137,091.06 and 56,914.20 is: 78,552.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,327.24 : 137,091.06 = 56,914.20 : x
  2. Step 2: Convert to fraction form
    99,327.24/137,091.06 = 56,914.20/x
  3. Step 3: Cross multiply
    99,327.24x = 137,091.06 × 56,914.20
  4. Step 4: Simplify right side
    99,327.24x = 7,802,428,007.05
  5. Step 5: Solve for x
    x = 7,802,428,007.05/99,327.24
  6. Step 6: Final answer
    x = 78,552.75

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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.