Home / 63,744.61-87,875.35-42,198.26

Finding the Fourth Proportional to 63,744.61, 87,875.35 and 42,198.26

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Solution

The fourth proportional to 63,744.61, 87,875.35 and 42,198.26 is: 58,172.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,744.61 : 87,875.35 = 42,198.26 : x
  2. Step 2: Convert to fraction form
    63,744.61/87,875.35 = 42,198.26/x
  3. Step 3: Cross multiply
    63,744.61x = 87,875.35 × 42,198.26
  4. Step 4: Simplify right side
    63,744.61x = 3,708,186,216.52
  5. Step 5: Solve for x
    x = 3,708,186,216.52/63,744.61
  6. Step 6: Final answer
    x = 58,172.55

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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.