Home / 64,935.40-89,625.77-38,086.56

Finding the Fourth Proportional to 64,935.40, 89,625.77 and 38,086.56

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Solution

The fourth proportional to 64,935.40, 89,625.77 and 38,086.56 is: 52,568.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,935.40 : 89,625.77 = 38,086.56 : x
  2. Step 2: Convert to fraction form
    64,935.40/89,625.77 = 38,086.56/x
  3. Step 3: Cross multiply
    64,935.40x = 89,625.77 × 38,086.56
  4. Step 4: Simplify right side
    64,935.40x = 3,413,536,818.52
  5. Step 5: Solve for x
    x = 3,413,536,818.52/64,935.40
  6. Step 6: Final answer
    x = 52,568.20

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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.