Home / 75,439.83-104,103.24-45,219.29

Finding the Fourth Proportional to 75,439.83, 104,103.24 and 45,219.29

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Solution

The fourth proportional to 75,439.83, 104,103.24 and 45,219.29 is: 62,400.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,439.83 : 104,103.24 = 45,219.29 : x
  2. Step 2: Convert to fraction form
    75,439.83/104,103.24 = 45,219.29/x
  3. Step 3: Cross multiply
    75,439.83x = 104,103.24 × 45,219.29
  4. Step 4: Simplify right side
    75,439.83x = 4,707,473,909.41
  5. Step 5: Solve for x
    x = 4,707,473,909.41/75,439.83
  6. Step 6: Final answer
    x = 62,400.37

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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.