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Finding the Fourth Proportional to 73,422.74, 110,148.24 and 31,302.08

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Solution

The fourth proportional to 73,422.74, 110,148.24 and 31,302.08 is: 46,959.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,422.74 : 110,148.24 = 31,302.08 : x
  2. Step 2: Convert to fraction form
    73,422.74/110,148.24 = 31,302.08/x
  3. Step 3: Cross multiply
    73,422.74x = 110,148.24 × 31,302.08
  4. Step 4: Simplify right side
    73,422.74x = 3,447,869,020.34
  5. Step 5: Solve for x
    x = 3,447,869,020.34/73,422.74
  6. Step 6: Final answer
    x = 46,959.14

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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.