Home / 63,143.49-87,137.45-34,462.87

Finding the Fourth Proportional to 63,143.49, 87,137.45 and 34,462.87

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Solution

The fourth proportional to 63,143.49, 87,137.45 and 34,462.87 is: 47,558.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,143.49 : 87,137.45 = 34,462.87 : x
  2. Step 2: Convert to fraction form
    63,143.49/87,137.45 = 34,462.87/x
  3. Step 3: Cross multiply
    63,143.49x = 87,137.45 × 34,462.87
  4. Step 4: Simplify right side
    63,143.49x = 3,003,006,439.17
  5. Step 5: Solve for x
    x = 3,003,006,439.17/63,143.49
  6. Step 6: Final answer
    x = 47,558.45

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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.