Home / 81,024.98-111,803.24-45,208.01

Finding the Fourth Proportional to 81,024.98, 111,803.24 and 45,208.01

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Solution

The fourth proportional to 81,024.98, 111,803.24 and 45,208.01 is: 62,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,024.98 : 111,803.24 = 45,208.01 : x
  2. Step 2: Convert to fraction form
    81,024.98/111,803.24 = 45,208.01/x
  3. Step 3: Cross multiply
    81,024.98x = 111,803.24 × 45,208.01
  4. Step 4: Simplify right side
    81,024.98x = 5,054,402,384.48
  5. Step 5: Solve for x
    x = 5,054,402,384.48/81,024.98
  6. Step 6: Final answer
    x = 62,380.80

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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.