Home / 72,753.12-109,129.68-26,003.16

Finding the Fourth Proportional to 72,753.12, 109,129.68 and 26,003.16

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Solution

The fourth proportional to 72,753.12, 109,129.68 and 26,003.16 is: 39,004.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,753.12 : 109,129.68 = 26,003.16 : x
  2. Step 2: Convert to fraction form
    72,753.12/109,129.68 = 26,003.16/x
  3. Step 3: Cross multiply
    72,753.12x = 109,129.68 × 26,003.16
  4. Step 4: Simplify right side
    72,753.12x = 2,837,716,529.79
  5. Step 5: Solve for x
    x = 2,837,716,529.79/72,753.12
  6. Step 6: Final answer
    x = 39,004.74

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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.