Home / 63,200.12-87,213.78-34,905.08

Finding the Fourth Proportional to 63,200.12, 87,213.78 and 34,905.08

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Solution

The fourth proportional to 63,200.12, 87,213.78 and 34,905.08 is: 48,167.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,200.12 : 87,213.78 = 34,905.08 : x
  2. Step 2: Convert to fraction form
    63,200.12/87,213.78 = 34,905.08/x
  3. Step 3: Cross multiply
    63,200.12x = 87,213.78 × 34,905.08
  4. Step 4: Simplify right side
    63,200.12x = 3,044,203,968.00
  5. Step 5: Solve for x
    x = 3,044,203,968.00/63,200.12
  6. Step 6: Final answer
    x = 48,167.69

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1.5x scale

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.