Home / 63,120.52-87,109.14-36,271.72

Finding the Fourth Proportional to 63,120.52, 87,109.14 and 36,271.72

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Solution

The fourth proportional to 63,120.52, 87,109.14 and 36,271.72 is: 50,056.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,120.52 : 87,109.14 = 36,271.72 : x
  2. Step 2: Convert to fraction form
    63,120.52/87,109.14 = 36,271.72/x
  3. Step 3: Cross multiply
    63,120.52x = 87,109.14 × 36,271.72
  4. Step 4: Simplify right side
    63,120.52x = 3,159,598,335.52
  5. Step 5: Solve for x
    x = 3,159,598,335.52/63,120.52
  6. Step 6: Final answer
    x = 50,056.60

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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.