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Finding the Fourth Proportional to 73,138.01, 109,707.01 and 25,741.94

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Solution

The fourth proportional to 73,138.01, 109,707.01 and 25,741.94 is: 38,612.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,138.01 : 109,707.01 = 25,741.94 : x
  2. Step 2: Convert to fraction form
    73,138.01/109,707.01 = 25,741.94/x
  3. Step 3: Cross multiply
    73,138.01x = 109,707.01 × 25,741.94
  4. Step 4: Simplify right side
    73,138.01x = 2,824,070,656.11
  5. Step 5: Solve for x
    x = 2,824,070,656.11/73,138.01
  6. Step 6: Final answer
    x = 38,612.90

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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.