Home / 52,664.20-78,842.70-47,134.60

Finding the Fourth Proportional to 52,664.20, 78,842.70 and 47,134.60

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Solution

The fourth proportional to 52,664.20, 78,842.70 and 47,134.60 is: 70,564.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,664.20 : 78,842.70 = 47,134.60 : x
  2. Step 2: Convert to fraction form
    52,664.20/78,842.70 = 47,134.60/x
  3. Step 3: Cross multiply
    52,664.20x = 78,842.70 × 47,134.60
  4. Step 4: Simplify right side
    52,664.20x = 3,716,219,127.42
  5. Step 5: Solve for x
    x = 3,716,219,127.42/52,664.20
  6. Step 6: Final answer
    x = 70,564.43

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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.