Home / 71,778.72-99,099.18-46,297.56

Finding the Fourth Proportional to 71,778.72, 99,099.18 and 46,297.56

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Solution

The fourth proportional to 71,778.72, 99,099.18 and 46,297.56 is: 63,919.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,778.72 : 99,099.18 = 46,297.56 : x
  2. Step 2: Convert to fraction form
    71,778.72/99,099.18 = 46,297.56/x
  3. Step 3: Cross multiply
    71,778.72x = 99,099.18 × 46,297.56
  4. Step 4: Simplify right side
    71,778.72x = 4,588,050,232.00
  5. Step 5: Solve for x
    x = 4,588,050,232.00/71,778.72
  6. Step 6: Final answer
    x = 63,919.37

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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.