Home / 63,132.95-87,138.38-36,291.03

Finding the Fourth Proportional to 63,132.95, 87,138.38 and 36,291.03

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Solution

The fourth proportional to 63,132.95, 87,138.38 and 36,291.03 is: 50,090.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,132.95 : 87,138.38 = 36,291.03 : x
  2. Step 2: Convert to fraction form
    63,132.95/87,138.38 = 36,291.03/x
  3. Step 3: Cross multiply
    63,132.95x = 87,138.38 × 36,291.03
  4. Step 4: Simplify right side
    63,132.95x = 3,162,341,054.51
  5. Step 5: Solve for x
    x = 3,162,341,054.51/63,132.95
  6. Step 6: Final answer
    x = 50,090.18

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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.