Home / 52,212.86-78,220.65-40,468.58

Finding the Fourth Proportional to 52,212.86, 78,220.65 and 40,468.58

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Solution

The fourth proportional to 52,212.86, 78,220.65 and 40,468.58 is: 60,626.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,212.86 : 78,220.65 = 40,468.58 : x
  2. Step 2: Convert to fraction form
    52,212.86/78,220.65 = 40,468.58/x
  3. Step 3: Cross multiply
    52,212.86x = 78,220.65 × 40,468.58
  4. Step 4: Simplify right side
    52,212.86x = 3,165,478,632.18
  5. Step 5: Solve for x
    x = 3,165,478,632.18/52,212.86
  6. Step 6: Final answer
    x = 60,626.42

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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.