Home / 61,659.28-92,501.88-20,135.44

Finding the Fourth Proportional to 61,659.28, 92,501.88 and 20,135.44

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Solution

The fourth proportional to 61,659.28, 92,501.88 and 20,135.44 is: 30,207.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,659.28 : 92,501.88 = 20,135.44 : x
  2. Step 2: Convert to fraction form
    61,659.28/92,501.88 = 20,135.44/x
  3. Step 3: Cross multiply
    61,659.28x = 92,501.88 × 20,135.44
  4. Step 4: Simplify right side
    61,659.28x = 1,862,566,054.63
  5. Step 5: Solve for x
    x = 1,862,566,054.63/61,659.28
  6. Step 6: Final answer
    x = 30,207.39

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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.