Home / 63,279.72-87,327.84-34,987.24

Finding the Fourth Proportional to 63,279.72, 87,327.84 and 34,987.24

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Solution

The fourth proportional to 63,279.72, 87,327.84 and 34,987.24 is: 48,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,279.72 : 87,327.84 = 34,987.24 : x
  2. Step 2: Convert to fraction form
    63,279.72/87,327.84 = 34,987.24/x
  3. Step 3: Cross multiply
    63,279.72x = 87,327.84 × 34,987.24
  4. Step 4: Simplify right side
    63,279.72x = 3,055,360,096.76
  5. Step 5: Solve for x
    x = 3,055,360,096.76/63,279.72
  6. Step 6: Final answer
    x = 48,283.40

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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.