Home / 72,076.12-108,114.56-47,273.24

Finding the Fourth Proportional to 72,076.12, 108,114.56 and 47,273.24

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Solution

The fourth proportional to 72,076.12, 108,114.56 and 47,273.24 is: 70,910.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,076.12 : 108,114.56 = 47,273.24 : x
  2. Step 2: Convert to fraction form
    72,076.12/108,114.56 = 47,273.24/x
  3. Step 3: Cross multiply
    72,076.12x = 108,114.56 × 47,273.24
  4. Step 4: Simplify right side
    72,076.12x = 5,110,925,542.37
  5. Step 5: Solve for x
    x = 5,110,925,542.37/72,076.12
  6. Step 6: Final answer
    x = 70,910.11

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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.