Home / 89,020.64-122,859.63-53,230.38

Finding the Fourth Proportional to 89,020.64, 122,859.63 and 53,230.38

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Solution

The fourth proportional to 89,020.64, 122,859.63 and 53,230.38 is: 73,464.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,020.64 : 122,859.63 = 53,230.38 : x
  2. Step 2: Convert to fraction form
    89,020.64/122,859.63 = 53,230.38/x
  3. Step 3: Cross multiply
    89,020.64x = 122,859.63 × 53,230.38
  4. Step 4: Simplify right side
    89,020.64x = 6,539,864,791.56
  5. Step 5: Solve for x
    x = 6,539,864,791.56/89,020.64
  6. Step 6: Final answer
    x = 73,464.59

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1.5x scale

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.