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Finding the Fourth Proportional to 79,507.08, 119,266.14 and 26,898.78

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Solution

The fourth proportional to 79,507.08, 119,266.14 and 26,898.78 is: 40,350.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,507.08 : 119,266.14 = 26,898.78 : x
  2. Step 2: Convert to fraction form
    79,507.08/119,266.14 = 26,898.78/x
  3. Step 3: Cross multiply
    79,507.08x = 119,266.14 × 26,898.78
  4. Step 4: Simplify right side
    79,507.08x = 3,208,113,661.31
  5. Step 5: Solve for x
    x = 3,208,113,661.31/79,507.08
  6. Step 6: Final answer
    x = 40,350.04

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1.5x scale

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.