Home / 67,261.22-92,819.13-42,124.58

Finding the Fourth Proportional to 67,261.22, 92,819.13 and 42,124.58

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Solution

The fourth proportional to 67,261.22, 92,819.13 and 42,124.58 is: 58,131.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,261.22 : 92,819.13 = 42,124.58 : x
  2. Step 2: Convert to fraction form
    67,261.22/92,819.13 = 42,124.58/x
  3. Step 3: Cross multiply
    67,261.22x = 92,819.13 × 42,124.58
  4. Step 4: Simplify right side
    67,261.22x = 3,909,966,867.22
  5. Step 5: Solve for x
    x = 3,909,966,867.22/67,261.22
  6. Step 6: Final answer
    x = 58,131.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.