Home / 63,143.81-87,138.64-34,463.73

Finding the Fourth Proportional to 63,143.81, 87,138.64 and 34,463.73

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Solution

The fourth proportional to 63,143.81, 87,138.64 and 34,463.73 is: 47,560.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,143.81 : 87,138.64 = 34,463.73 : x
  2. Step 2: Convert to fraction form
    63,143.81/87,138.64 = 34,463.73/x
  3. Step 3: Cross multiply
    63,143.81x = 87,138.64 × 34,463.73
  4. Step 4: Simplify right side
    63,143.81x = 3,003,122,389.21
  5. Step 5: Solve for x
    x = 3,003,122,389.21/63,143.81
  6. Step 6: Final answer
    x = 47,560.05

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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.