Home / 109,477.26-151,078.50-59,176.26

Finding the Fourth Proportional to 109,477.26, 151,078.50 and 59,176.26

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Solution

The fourth proportional to 109,477.26, 151,078.50 and 59,176.26 is: 81,663.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,477.26 : 151,078.50 = 59,176.26 : x
  2. Step 2: Convert to fraction form
    109,477.26/151,078.50 = 59,176.26/x
  3. Step 3: Cross multiply
    109,477.26x = 151,078.50 × 59,176.26
  4. Step 4: Simplify right side
    109,477.26x = 8,940,260,596.41
  5. Step 5: Solve for x
    x = 8,940,260,596.41/109,477.26
  6. Step 6: Final answer
    x = 81,663.17

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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.