Home / 63,074.36-87,042.48-34,780.16

Finding the Fourth Proportional to 63,074.36, 87,042.48 and 34,780.16

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Solution

The fourth proportional to 63,074.36, 87,042.48 and 34,780.16 is: 47,996.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,074.36 : 87,042.48 = 34,780.16 : x
  2. Step 2: Convert to fraction form
    63,074.36/87,042.48 = 34,780.16/x
  3. Step 3: Cross multiply
    63,074.36x = 87,042.48 × 34,780.16
  4. Step 4: Simplify right side
    63,074.36x = 3,027,351,381.20
  5. Step 5: Solve for x
    x = 3,027,351,381.20/63,074.36
  6. Step 6: Final answer
    x = 47,996.55

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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.