Home / 75,464.57-104,136.86-45,234.76

Finding the Fourth Proportional to 75,464.57, 104,136.86 and 45,234.76

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Solution

The fourth proportional to 75,464.57, 104,136.86 and 45,234.76 is: 62,421.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,464.57 : 104,136.86 = 45,234.76 : x
  2. Step 2: Convert to fraction form
    75,464.57/104,136.86 = 45,234.76/x
  3. Step 3: Cross multiply
    75,464.57x = 104,136.86 × 45,234.76
  4. Step 4: Simplify right side
    75,464.57x = 4,710,605,869.25
  5. Step 5: Solve for x
    x = 4,710,605,869.25/75,464.57
  6. Step 6: Final answer
    x = 62,421.42

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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.