Home / 64,138.38-88,535.64-57,412.14

Finding the Fourth Proportional to 64,138.38, 88,535.64 and 57,412.14

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Solution

The fourth proportional to 64,138.38, 88,535.64 and 57,412.14 is: 79,250.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,138.38 : 88,535.64 = 57,412.14 : x
  2. Step 2: Convert to fraction form
    64,138.38/88,535.64 = 57,412.14/x
  3. Step 3: Cross multiply
    64,138.38x = 88,535.64 × 57,412.14
  4. Step 4: Simplify right side
    64,138.38x = 5,083,020,558.67
  5. Step 5: Solve for x
    x = 5,083,020,558.67/64,138.38
  6. Step 6: Final answer
    x = 79,250.84

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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.