Home / 64,730.24-89,355.28-43,521.80

Finding the Fourth Proportional to 64,730.24, 89,355.28 and 43,521.80

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Solution

The fourth proportional to 64,730.24, 89,355.28 and 43,521.80 is: 60,078.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,730.24 : 89,355.28 = 43,521.80 : x
  2. Step 2: Convert to fraction form
    64,730.24/89,355.28 = 43,521.80/x
  3. Step 3: Cross multiply
    64,730.24x = 89,355.28 × 43,521.80
  4. Step 4: Simplify right side
    64,730.24x = 3,888,902,625.10
  5. Step 5: Solve for x
    x = 3,888,902,625.10/64,730.24
  6. Step 6: Final answer
    x = 60,078.61

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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.