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Finding the Fourth Proportional to 72,741.38, 109,114.70 and 22,820.27

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Solution

The fourth proportional to 72,741.38, 109,114.70 and 22,820.27 is: 34,231.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,741.38 : 109,114.70 = 22,820.27 : x
  2. Step 2: Convert to fraction form
    72,741.38/109,114.70 = 22,820.27/x
  3. Step 3: Cross multiply
    72,741.38x = 109,114.70 × 22,820.27
  4. Step 4: Simplify right side
    72,741.38x = 2,490,026,255.29
  5. Step 5: Solve for x
    x = 2,490,026,255.29/72,741.38
  6. Step 6: Final answer
    x = 34,231.22

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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.