Home / 78,592.31-117,783.30-38,550.06

Finding the Fourth Proportional to 78,592.31, 117,783.30 and 38,550.06

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Solution

The fourth proportional to 78,592.31, 117,783.30 and 38,550.06 is: 57,773.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,592.31 : 117,783.30 = 38,550.06 : x
  2. Step 2: Convert to fraction form
    78,592.31/117,783.30 = 38,550.06/x
  3. Step 3: Cross multiply
    78,592.31x = 117,783.30 × 38,550.06
  4. Step 4: Simplify right side
    78,592.31x = 4,540,553,282.00
  5. Step 5: Solve for x
    x = 4,540,553,282.00/78,592.31
  6. Step 6: Final answer
    x = 57,773.51

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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.