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Finding the Fourth Proportional to 62,796.80, 94,107.72 and 47,196.20

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Solution

The fourth proportional to 62,796.80, 94,107.72 and 47,196.20 is: 70,728.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,796.80 : 94,107.72 = 47,196.20 : x
  2. Step 2: Convert to fraction form
    62,796.80/94,107.72 = 47,196.20/x
  3. Step 3: Cross multiply
    62,796.80x = 94,107.72 × 47,196.20
  4. Step 4: Simplify right side
    62,796.80x = 4,441,526,774.66
  5. Step 5: Solve for x
    x = 4,441,526,774.66/62,796.80
  6. Step 6: Final answer
    x = 70,728.55

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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.