Home / 66,238.07-99,332.79-21,851.69

Finding the Fourth Proportional to 66,238.07, 99,332.79 and 21,851.69

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Solution

The fourth proportional to 66,238.07, 99,332.79 and 21,851.69 is: 32,769.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,238.07 : 99,332.79 = 21,851.69 : x
  2. Step 2: Convert to fraction form
    66,238.07/99,332.79 = 21,851.69/x
  3. Step 3: Cross multiply
    66,238.07x = 99,332.79 × 21,851.69
  4. Step 4: Simplify right side
    66,238.07x = 2,170,589,333.92
  5. Step 5: Solve for x
    x = 2,170,589,333.92/66,238.07
  6. Step 6: Final answer
    x = 32,769.51

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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.