Home / 59,881.20-89,821.80-37,719.60

Finding the Fourth Proportional to 59,881.20, 89,821.80 and 37,719.60

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Solution

The fourth proportional to 59,881.20, 89,821.80 and 37,719.60 is: 56,579.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,881.20 : 89,821.80 = 37,719.60 : x
  2. Step 2: Convert to fraction form
    59,881.20/89,821.80 = 37,719.60/x
  3. Step 3: Cross multiply
    59,881.20x = 89,821.80 × 37,719.60
  4. Step 4: Simplify right side
    59,881.20x = 3,388,042,367.28
  5. Step 5: Solve for x
    x = 3,388,042,367.28/59,881.20
  6. Step 6: Final answer
    x = 56,579.40

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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.