Home / 63,290.73-87,412.91-43,112.55

Finding the Fourth Proportional to 63,290.73, 87,412.91 and 43,112.55

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Solution

The fourth proportional to 63,290.73, 87,412.91 and 43,112.55 is: 59,544.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,290.73 : 87,412.91 = 43,112.55 : x
  2. Step 2: Convert to fraction form
    63,290.73/87,412.91 = 43,112.55/x
  3. Step 3: Cross multiply
    63,290.73x = 87,412.91 × 43,112.55
  4. Step 4: Simplify right side
    63,290.73x = 3,768,593,237.46
  5. Step 5: Solve for x
    x = 3,768,593,237.46/63,290.73
  6. Step 6: Final answer
    x = 59,544.16

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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.