Home / 63,395.82-87,466.50-42,178.68

Finding the Fourth Proportional to 63,395.82, 87,466.50 and 42,178.68

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Solution

The fourth proportional to 63,395.82, 87,466.50 and 42,178.68 is: 58,193.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,395.82 : 87,466.50 = 42,178.68 : x
  2. Step 2: Convert to fraction form
    63,395.82/87,466.50 = 42,178.68/x
  3. Step 3: Cross multiply
    63,395.82x = 87,466.50 × 42,178.68
  4. Step 4: Simplify right side
    63,395.82x = 3,689,221,514.22
  5. Step 5: Solve for x
    x = 3,689,221,514.22/63,395.82
  6. Step 6: Final answer
    x = 58,193.45

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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.