Home / 52,423.20-78,829.20-43,869.60

Finding the Fourth Proportional to 52,423.20, 78,829.20 and 43,869.60

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Solution

The fourth proportional to 52,423.20, 78,829.20 and 43,869.60 is: 65,967.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,423.20 : 78,829.20 = 43,869.60 : x
  2. Step 2: Convert to fraction form
    52,423.20/78,829.20 = 43,869.60/x
  3. Step 3: Cross multiply
    52,423.20x = 78,829.20 × 43,869.60
  4. Step 4: Simplify right side
    52,423.20x = 3,458,205,472.32
  5. Step 5: Solve for x
    x = 3,458,205,472.32/52,423.20
  6. Step 6: Final answer
    x = 65,967.08

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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.