Home / 73,000.10-109,424.55-39,649.70

Finding the Fourth Proportional to 73,000.10, 109,424.55 and 39,649.70

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Solution

The fourth proportional to 73,000.10, 109,424.55 and 39,649.70 is: 59,433.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,000.10 : 109,424.55 = 39,649.70 : x
  2. Step 2: Convert to fraction form
    73,000.10/109,424.55 = 39,649.70/x
  3. Step 3: Cross multiply
    73,000.10x = 109,424.55 × 39,649.70
  4. Step 4: Simplify right side
    73,000.10x = 4,338,650,580.14
  5. Step 5: Solve for x
    x = 4,338,650,580.14/73,000.10
  6. Step 6: Final answer
    x = 59,433.49

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1.5x scale

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.