Home / 72,693.09-109,039.61-22,777.11

Finding the Fourth Proportional to 72,693.09, 109,039.61 and 22,777.11

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Solution

The fourth proportional to 72,693.09, 109,039.61 and 22,777.11 is: 34,165.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,693.09 : 109,039.61 = 22,777.11 : x
  2. Step 2: Convert to fraction form
    72,693.09/109,039.61 = 22,777.11/x
  3. Step 3: Cross multiply
    72,693.09x = 109,039.61 × 22,777.11
  4. Step 4: Simplify right side
    72,693.09x = 2,483,607,350.04
  5. Step 5: Solve for x
    x = 2,483,607,350.04/72,693.09
  6. Step 6: Final answer
    x = 34,165.66

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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.