Home / 73,255.17-109,888.22-31,130.52

Finding the Fourth Proportional to 73,255.17, 109,888.22 and 31,130.52

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Solution

The fourth proportional to 73,255.17, 109,888.22 and 31,130.52 is: 46,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,255.17 : 109,888.22 = 31,130.52 : x
  2. Step 2: Convert to fraction form
    73,255.17/109,888.22 = 31,130.52/x
  3. Step 3: Cross multiply
    73,255.17x = 109,888.22 × 31,130.52
  4. Step 4: Simplify right side
    73,255.17x = 3,420,877,274.82
  5. Step 5: Solve for x
    x = 3,420,877,274.82/73,255.17
  6. Step 6: Final answer
    x = 46,698.10

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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.