Home / 77,230.72-106,553.61-43,234.20

Finding the Fourth Proportional to 77,230.72, 106,553.61 and 43,234.20

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Solution

The fourth proportional to 77,230.72, 106,553.61 and 43,234.20 is: 59,649.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,230.72 : 106,553.61 = 43,234.20 : x
  2. Step 2: Convert to fraction form
    77,230.72/106,553.61 = 43,234.20/x
  3. Step 3: Cross multiply
    77,230.72x = 106,553.61 × 43,234.20
  4. Step 4: Simplify right side
    77,230.72x = 4,606,760,085.46
  5. Step 5: Solve for x
    x = 4,606,760,085.46/77,230.72
  6. Step 6: Final answer
    x = 59,649.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.