Home / 73,038.48-100,794.38-42,845.56

Finding the Fourth Proportional to 73,038.48, 100,794.38 and 42,845.56

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Solution

The fourth proportional to 73,038.48, 100,794.38 and 42,845.56 is: 59,127.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,038.48 : 100,794.38 = 42,845.56 : x
  2. Step 2: Convert to fraction form
    73,038.48/100,794.38 = 42,845.56/x
  3. Step 3: Cross multiply
    73,038.48x = 100,794.38 × 42,845.56
  4. Step 4: Simplify right side
    73,038.48x = 4,318,591,189.74
  5. Step 5: Solve for x
    x = 4,318,591,189.74/73,038.48
  6. Step 6: Final answer
    x = 59,127.62

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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.