Home / 73,867.64-101,912.04-42,028.56

Finding the Fourth Proportional to 73,867.64, 101,912.04 and 42,028.56

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Solution

The fourth proportional to 73,867.64, 101,912.04 and 42,028.56 is: 57,985.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,867.64 : 101,912.04 = 42,028.56 : x
  2. Step 2: Convert to fraction form
    73,867.64/101,912.04 = 42,028.56/x
  3. Step 3: Cross multiply
    73,867.64x = 101,912.04 × 42,028.56
  4. Step 4: Simplify right side
    73,867.64x = 4,283,216,287.86
  5. Step 5: Solve for x
    x = 4,283,216,287.86/73,867.64
  6. Step 6: Final answer
    x = 57,985.02

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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.