Home / 53,191.20-79,724.52-34,191.60

Finding the Fourth Proportional to 53,191.20, 79,724.52 and 34,191.60

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Solution

The fourth proportional to 53,191.20, 79,724.52 and 34,191.60 is: 51,247.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,191.20 : 79,724.52 = 34,191.60 : x
  2. Step 2: Convert to fraction form
    53,191.20/79,724.52 = 34,191.60/x
  3. Step 3: Cross multiply
    53,191.20x = 79,724.52 × 34,191.60
  4. Step 4: Simplify right side
    53,191.20x = 2,725,908,898.03
  5. Step 5: Solve for x
    x = 2,725,908,898.03/53,191.20
  6. Step 6: Final answer
    x = 51,247.37

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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.