Home / 64,138.11-88,542.17-40,277.94

Finding the Fourth Proportional to 64,138.11, 88,542.17 and 40,277.94

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Solution

The fourth proportional to 64,138.11, 88,542.17 and 40,277.94 is: 55,603.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,138.11 : 88,542.17 = 40,277.94 : x
  2. Step 2: Convert to fraction form
    64,138.11/88,542.17 = 40,277.94/x
  3. Step 3: Cross multiply
    64,138.11x = 88,542.17 × 40,277.94
  4. Step 4: Simplify right side
    64,138.11x = 3,566,296,009.34
  5. Step 5: Solve for x
    x = 3,566,296,009.34/64,138.11
  6. Step 6: Final answer
    x = 55,603.38

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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.