Home / 47,357.12-70,968-34,778.48

Finding the Fourth Proportional to 47,357.12, 70,968 and 34,778.48

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Solution

The fourth proportional to 47,357.12, 70,968 and 34,778.48 is: 52,118.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,357.12 : 70,968 = 34,778.48 : x
  2. Step 2: Convert to fraction form
    47,357.12/70,968 = 34,778.48/x
  3. Step 3: Cross multiply
    47,357.12x = 70,968 × 34,778.48
  4. Step 4: Simplify right side
    47,357.12x = 2,468,159,168.64
  5. Step 5: Solve for x
    x = 2,468,159,168.64/47,357.12
  6. Step 6: Final answer
    x = 52,118.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.