Home / 94,728.12-142,092.18-47,994.36

Finding the Fourth Proportional to 94,728.12, 142,092.18 and 47,994.36

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Solution

The fourth proportional to 94,728.12, 142,092.18 and 47,994.36 is: 71,991.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,728.12 : 142,092.18 = 47,994.36 : x
  2. Step 2: Convert to fraction form
    94,728.12/142,092.18 = 47,994.36/x
  3. Step 3: Cross multiply
    94,728.12x = 142,092.18 × 47,994.36
  4. Step 4: Simplify right side
    94,728.12x = 6,819,623,240.10
  5. Step 5: Solve for x
    x = 6,819,623,240.10/94,728.12
  6. Step 6: Final answer
    x = 71,991.54

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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.