Home / 52,582.20-78,719.70-47,052.60

Finding the Fourth Proportional to 52,582.20, 78,719.70 and 47,052.60

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Solution

The fourth proportional to 52,582.20, 78,719.70 and 47,052.60 is: 70,441.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,582.20 : 78,719.70 = 47,052.60 : x
  2. Step 2: Convert to fraction form
    52,582.20/78,719.70 = 47,052.60/x
  3. Step 3: Cross multiply
    52,582.20x = 78,719.70 × 47,052.60
  4. Step 4: Simplify right side
    52,582.20x = 3,703,966,556.22
  5. Step 5: Solve for x
    x = 3,703,966,556.22/52,582.20
  6. Step 6: Final answer
    x = 70,441.45

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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.