Home / 69,742.08-96,243.39-37,909.08

Finding the Fourth Proportional to 69,742.08, 96,243.39 and 37,909.08

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Solution

The fourth proportional to 69,742.08, 96,243.39 and 37,909.08 is: 52,314.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,742.08 : 96,243.39 = 37,909.08 : x
  2. Step 2: Convert to fraction form
    69,742.08/96,243.39 = 37,909.08/x
  3. Step 3: Cross multiply
    69,742.08x = 96,243.39 × 37,909.08
  4. Step 4: Simplify right side
    69,742.08x = 3,648,498,370.98
  5. Step 5: Solve for x
    x = 3,648,498,370.98/69,742.08
  6. Step 6: Final answer
    x = 52,314.16

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1.5x scale

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.