Home / 66,237.27-99,357.05-18,853.58

Finding the Fourth Proportional to 66,237.27, 99,357.05 and 18,853.58

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Solution

The fourth proportional to 66,237.27, 99,357.05 and 18,853.58 is: 28,280.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,237.27 : 99,357.05 = 18,853.58 : x
  2. Step 2: Convert to fraction form
    66,237.27/99,357.05 = 18,853.58/x
  3. Step 3: Cross multiply
    66,237.27x = 99,357.05 × 18,853.58
  4. Step 4: Simplify right side
    66,237.27x = 1,873,235,996.47
  5. Step 5: Solve for x
    x = 1,873,235,996.47/66,237.27
  6. Step 6: Final answer
    x = 28,280.69

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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.