Home / 73,045.28-109,571.80-23,130.66

Finding the Fourth Proportional to 73,045.28, 109,571.80 and 23,130.66

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Solution

The fourth proportional to 73,045.28, 109,571.80 and 23,130.66 is: 34,697.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,045.28 : 109,571.80 = 23,130.66 : x
  2. Step 2: Convert to fraction form
    73,045.28/109,571.80 = 23,130.66/x
  3. Step 3: Cross multiply
    73,045.28x = 109,571.80 × 23,130.66
  4. Step 4: Simplify right side
    73,045.28x = 2,534,468,051.39
  5. Step 5: Solve for x
    x = 2,534,468,051.39/73,045.28
  6. Step 6: Final answer
    x = 34,697.22

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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.