Home / 66,240.77-99,362.29-18,857.08

Finding the Fourth Proportional to 66,240.77, 99,362.29 and 18,857.08

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Solution

The fourth proportional to 66,240.77, 99,362.29 and 18,857.08 is: 28,285.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,240.77 : 99,362.29 = 18,857.08 : x
  2. Step 2: Convert to fraction form
    66,240.77/99,362.29 = 18,857.08/x
  3. Step 3: Cross multiply
    66,240.77x = 99,362.29 × 18,857.08
  4. Step 4: Simplify right side
    66,240.77x = 1,873,682,651.51
  5. Step 5: Solve for x
    x = 1,873,682,651.51/66,240.77
  6. Step 6: Final answer
    x = 28,285.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.