Home / 69,778.26-96,291.32-37,947.20

Finding the Fourth Proportional to 69,778.26, 96,291.32 and 37,947.20

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Solution

The fourth proportional to 69,778.26, 96,291.32 and 37,947.20 is: 52,365.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,778.26 : 96,291.32 = 37,947.20 : x
  2. Step 2: Convert to fraction form
    69,778.26/96,291.32 = 37,947.20/x
  3. Step 3: Cross multiply
    69,778.26x = 96,291.32 × 37,947.20
  4. Step 4: Simplify right side
    69,778.26x = 3,653,985,307.11
  5. Step 5: Solve for x
    x = 3,653,985,307.11/69,778.26
  6. Step 6: Final answer
    x = 52,365.67

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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.