Home / 66,322.52-99,421.25-33,011.09

Finding the Fourth Proportional to 66,322.52, 99,421.25 and 33,011.09

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Solution

The fourth proportional to 66,322.52, 99,421.25 and 33,011.09 is: 49,485.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,322.52 : 99,421.25 = 33,011.09 : x
  2. Step 2: Convert to fraction form
    66,322.52/99,421.25 = 33,011.09/x
  3. Step 3: Cross multiply
    66,322.52x = 99,421.25 × 33,011.09
  4. Step 4: Simplify right side
    66,322.52x = 3,282,003,831.66
  5. Step 5: Solve for x
    x = 3,282,003,831.66/66,322.52
  6. Step 6: Final answer
    x = 49,485.51

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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.