Home / 78,296.08-117,462.06-33,930.28

Finding the Fourth Proportional to 78,296.08, 117,462.06 and 33,930.28

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Solution

The fourth proportional to 78,296.08, 117,462.06 and 33,930.28 is: 50,903.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,296.08 : 117,462.06 = 33,930.28 : x
  2. Step 2: Convert to fraction form
    78,296.08/117,462.06 = 33,930.28/x
  3. Step 3: Cross multiply
    78,296.08x = 117,462.06 × 33,930.28
  4. Step 4: Simplify right side
    78,296.08x = 3,985,520,585.18
  5. Step 5: Solve for x
    x = 3,985,520,585.18/78,296.08
  6. Step 6: Final answer
    x = 50,903.19

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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.