Home / 92,074.12-138,111.22-36,709

Finding the Fourth Proportional to 92,074.12, 138,111.22 and 36,709

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Solution

The fourth proportional to 92,074.12, 138,111.22 and 36,709 is: 55,063.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,074.12 : 138,111.22 = 36,709 : x
  2. Step 2: Convert to fraction form
    92,074.12/138,111.22 = 36,709/x
  3. Step 3: Cross multiply
    92,074.12x = 138,111.22 × 36,709
  4. Step 4: Simplify right side
    92,074.12x = 5,069,924,774.98
  5. Step 5: Solve for x
    x = 5,069,924,774.98/92,074.12
  6. Step 6: Final answer
    x = 55,063.52

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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.