Home / 76,122.04-114,035.36-56,095.20

Finding the Fourth Proportional to 76,122.04, 114,035.36 and 56,095.20

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Solution

The fourth proportional to 76,122.04, 114,035.36 and 56,095.20 is: 84,033.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,122.04 : 114,035.36 = 56,095.20 : x
  2. Step 2: Convert to fraction form
    76,122.04/114,035.36 = 56,095.20/x
  3. Step 3: Cross multiply
    76,122.04x = 114,035.36 × 56,095.20
  4. Step 4: Simplify right side
    76,122.04x = 6,396,836,326.27
  5. Step 5: Solve for x
    x = 6,396,836,326.27/76,122.04
  6. Step 6: Final answer
    x = 84,033.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.