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Finding the Fourth Proportional to 73,246, 109,803.84 and 26,488.48

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Solution

The fourth proportional to 73,246, 109,803.84 and 26,488.48 is: 39,709.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,246 : 109,803.84 = 26,488.48 : x
  2. Step 2: Convert to fraction form
    73,246/109,803.84 = 26,488.48/x
  3. Step 3: Cross multiply
    73,246x = 109,803.84 × 26,488.48
  4. Step 4: Simplify right side
    73,246x = 2,908,536,819.76
  5. Step 5: Solve for x
    x = 2,908,536,819.76/73,246
  6. Step 6: Final answer
    x = 39,709.16

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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.