Home / 53,194.20-79,856.10-52,805.40

Finding the Fourth Proportional to 53,194.20, 79,856.10 and 52,805.40

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Solution

The fourth proportional to 53,194.20, 79,856.10 and 52,805.40 is: 79,272.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,194.20 : 79,856.10 = 52,805.40 : x
  2. Step 2: Convert to fraction form
    53,194.20/79,856.10 = 52,805.40/x
  3. Step 3: Cross multiply
    53,194.20x = 79,856.10 × 52,805.40
  4. Step 4: Simplify right side
    53,194.20x = 4,216,833,302.94
  5. Step 5: Solve for x
    x = 4,216,833,302.94/53,194.20
  6. Step 6: Final answer
    x = 79,272.43

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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.