Home / 73,968.81-110,942.28-27,210.75

Finding the Fourth Proportional to 73,968.81, 110,942.28 and 27,210.75

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Solution

The fourth proportional to 73,968.81, 110,942.28 and 27,210.75 is: 40,812.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,968.81 : 110,942.28 = 27,210.75 : x
  2. Step 2: Convert to fraction form
    73,968.81/110,942.28 = 27,210.75/x
  3. Step 3: Cross multiply
    73,968.81x = 110,942.28 × 27,210.75
  4. Step 4: Simplify right side
    73,968.81x = 3,018,822,645.51
  5. Step 5: Solve for x
    x = 3,018,822,645.51/73,968.81
  6. Step 6: Final answer
    x = 40,812.10

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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.