Home / 79,475.23-109,686.32-51,262.93

Finding the Fourth Proportional to 79,475.23, 109,686.32 and 51,262.93

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Solution

The fourth proportional to 79,475.23, 109,686.32 and 51,262.93 is: 70,749.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,475.23 : 109,686.32 = 51,262.93 : x
  2. Step 2: Convert to fraction form
    79,475.23/109,686.32 = 51,262.93/x
  3. Step 3: Cross multiply
    79,475.23x = 109,686.32 × 51,262.93
  4. Step 4: Simplify right side
    79,475.23x = 5,622,842,144.12
  5. Step 5: Solve for x
    x = 5,622,842,144.12/79,475.23
  6. Step 6: Final answer
    x = 70,749.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.