Home / 69,709.45-96,198.86-37,878.35

Finding the Fourth Proportional to 69,709.45, 96,198.86 and 37,878.35

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Solution

The fourth proportional to 69,709.45, 96,198.86 and 37,878.35 is: 52,272.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,709.45 : 96,198.86 = 37,878.35 : x
  2. Step 2: Convert to fraction form
    69,709.45/96,198.86 = 37,878.35/x
  3. Step 3: Cross multiply
    69,709.45x = 96,198.86 × 37,878.35
  4. Step 4: Simplify right side
    69,709.45x = 3,643,853,779.04
  5. Step 5: Solve for x
    x = 3,643,853,779.04/69,709.45
  6. Step 6: Final answer
    x = 52,272.02

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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.