Home / 75,423.91-104,081.62-45,225.90

Finding the Fourth Proportional to 75,423.91, 104,081.62 and 45,225.90

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Solution

The fourth proportional to 75,423.91, 104,081.62 and 45,225.90 is: 62,409.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,423.91 : 104,081.62 = 45,225.90 : x
  2. Step 2: Convert to fraction form
    75,423.91/104,081.62 = 45,225.90/x
  3. Step 3: Cross multiply
    75,423.91x = 104,081.62 × 45,225.90
  4. Step 4: Simplify right side
    75,423.91x = 4,707,184,937.96
  5. Step 5: Solve for x
    x = 4,707,184,937.96/75,423.91
  6. Step 6: Final answer
    x = 62,409.72

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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.