Home / 67,260.22-92,817.75-42,123.58

Finding the Fourth Proportional to 67,260.22, 92,817.75 and 42,123.58

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Solution

The fourth proportional to 67,260.22, 92,817.75 and 42,123.58 is: 58,129.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,260.22 : 92,817.75 = 42,123.58 : x
  2. Step 2: Convert to fraction form
    67,260.22/92,817.75 = 42,123.58/x
  3. Step 3: Cross multiply
    67,260.22x = 92,817.75 × 42,123.58
  4. Step 4: Simplify right side
    67,260.22x = 3,909,815,917.55
  5. Step 5: Solve for x
    x = 3,909,815,917.55/67,260.22
  6. Step 6: Final answer
    x = 58,129.69

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1.5x scale

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.