Home / 72,687.25-100,293.70-42,466.73

Finding the Fourth Proportional to 72,687.25, 100,293.70 and 42,466.73

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Solution

The fourth proportional to 72,687.25, 100,293.70 and 42,466.73 is: 58,595.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,687.25 : 100,293.70 = 42,466.73 : x
  2. Step 2: Convert to fraction form
    72,687.25/100,293.70 = 42,466.73/x
  3. Step 3: Cross multiply
    72,687.25x = 100,293.70 × 42,466.73
  4. Step 4: Simplify right side
    72,687.25x = 4,259,145,266.27
  5. Step 5: Solve for x
    x = 4,259,145,266.27/72,687.25
  6. Step 6: Final answer
    x = 58,595.50

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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.