Home / 53,287.20-79,930.80-33,501.60

Finding the Fourth Proportional to 53,287.20, 79,930.80 and 33,501.60

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Solution

The fourth proportional to 53,287.20, 79,930.80 and 33,501.60 is: 50,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,287.20 : 79,930.80 = 33,501.60 : x
  2. Step 2: Convert to fraction form
    53,287.20/79,930.80 = 33,501.60/x
  3. Step 3: Cross multiply
    53,287.20x = 79,930.80 × 33,501.60
  4. Step 4: Simplify right side
    53,287.20x = 2,677,809,689.28
  5. Step 5: Solve for x
    x = 2,677,809,689.28/53,287.20
  6. Step 6: Final answer
    x = 50,252.40

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1.5x scale

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.