Home / 73,139.30-109,643.28-26,381.24

Finding the Fourth Proportional to 73,139.30, 109,643.28 and 26,381.24

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Solution

The fourth proportional to 73,139.30, 109,643.28 and 26,381.24 is: 39,548.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,139.30 : 109,643.28 = 26,381.24 : x
  2. Step 2: Convert to fraction form
    73,139.30/109,643.28 = 26,381.24/x
  3. Step 3: Cross multiply
    73,139.30x = 109,643.28 × 26,381.24
  4. Step 4: Simplify right side
    73,139.30x = 2,892,525,684.07
  5. Step 5: Solve for x
    x = 2,892,525,684.07/73,139.30
  6. Step 6: Final answer
    x = 39,548.17

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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.