Home / 55,823.20-83,929.20-47,269.60

Finding the Fourth Proportional to 55,823.20, 83,929.20 and 47,269.60

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Solution

The fourth proportional to 55,823.20, 83,929.20 and 47,269.60 is: 71,069.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,823.20 : 83,929.20 = 47,269.60 : x
  2. Step 2: Convert to fraction form
    55,823.20/83,929.20 = 47,269.60/x
  3. Step 3: Cross multiply
    55,823.20x = 83,929.20 × 47,269.60
  4. Step 4: Simplify right side
    55,823.20x = 3,967,299,712.32
  5. Step 5: Solve for x
    x = 3,967,299,712.32/55,823.20
  6. Step 6: Final answer
    x = 71,069.01

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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.