Home / 64,303.15-88,743.01-38,815.71

Finding the Fourth Proportional to 64,303.15, 88,743.01 and 38,815.71

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Solution

The fourth proportional to 64,303.15, 88,743.01 and 38,815.71 is: 53,568.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,303.15 : 88,743.01 = 38,815.71 : x
  2. Step 2: Convert to fraction form
    64,303.15/88,743.01 = 38,815.71/x
  3. Step 3: Cross multiply
    64,303.15x = 88,743.01 × 38,815.71
  4. Step 4: Simplify right side
    64,303.15x = 3,444,622,940.69
  5. Step 5: Solve for x
    x = 3,444,622,940.69/64,303.15
  6. Step 6: Final answer
    x = 53,568.49

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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.