Home / 78,538.64-117,825.24-37,032.08

Finding the Fourth Proportional to 78,538.64, 117,825.24 and 37,032.08

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Solution

The fourth proportional to 78,538.64, 117,825.24 and 37,032.08 is: 55,556.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,538.64 : 117,825.24 = 37,032.08 : x
  2. Step 2: Convert to fraction form
    78,538.64/117,825.24 = 37,032.08/x
  3. Step 3: Cross multiply
    78,538.64x = 117,825.24 × 37,032.08
  4. Step 4: Simplify right side
    78,538.64x = 4,363,313,713.70
  5. Step 5: Solve for x
    x = 4,363,313,713.70/78,538.64
  6. Step 6: Final answer
    x = 55,556.27

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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.