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Finding the Fourth Proportional to 73,219.53, 101,039.04 and 41,386.53

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Solution

The fourth proportional to 73,219.53, 101,039.04 and 41,386.53 is: 57,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,219.53 : 101,039.04 = 41,386.53 : x
  2. Step 2: Convert to fraction form
    73,219.53/101,039.04 = 41,386.53/x
  3. Step 3: Cross multiply
    73,219.53x = 101,039.04 × 41,386.53
  4. Step 4: Simplify right side
    73,219.53x = 4,181,655,260.13
  5. Step 5: Solve for x
    x = 4,181,655,260.13/73,219.53
  6. Step 6: Final answer
    x = 57,111.20

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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.