Home / 64,400.10-88,863.66-35,719.42

Finding the Fourth Proportional to 64,400.10, 88,863.66 and 35,719.42

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Solution

The fourth proportional to 64,400.10, 88,863.66 and 35,719.42 is: 49,288.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,400.10 : 88,863.66 = 35,719.42 : x
  2. Step 2: Convert to fraction form
    64,400.10/88,863.66 = 35,719.42/x
  3. Step 3: Cross multiply
    64,400.10x = 88,863.66 × 35,719.42
  4. Step 4: Simplify right side
    64,400.10x = 3,174,158,394.28
  5. Step 5: Solve for x
    x = 3,174,158,394.28/64,400.10
  6. Step 6: Final answer
    x = 49,288.10

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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.