Home / 69,187.05-103,820.01-27,070.53

Finding the Fourth Proportional to 69,187.05, 103,820.01 and 27,070.53

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Solution

The fourth proportional to 69,187.05, 103,820.01 and 27,070.53 is: 40,621.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,187.05 : 103,820.01 = 27,070.53 : x
  2. Step 2: Convert to fraction form
    69,187.05/103,820.01 = 27,070.53/x
  3. Step 3: Cross multiply
    69,187.05x = 103,820.01 × 27,070.53
  4. Step 4: Simplify right side
    69,187.05x = 2,810,462,695.31
  5. Step 5: Solve for x
    x = 2,810,462,695.31/69,187.05
  6. Step 6: Final answer
    x = 40,621.22

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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.