Home / 78,255.16-117,389.77-22,095.83

Finding the Fourth Proportional to 78,255.16, 117,389.77 and 22,095.83

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Solution

The fourth proportional to 78,255.16, 117,389.77 and 22,095.83 is: 33,145.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,255.16 : 117,389.77 = 22,095.83 : x
  2. Step 2: Convert to fraction form
    78,255.16/117,389.77 = 22,095.83/x
  3. Step 3: Cross multiply
    78,255.16x = 117,389.77 × 22,095.83
  4. Step 4: Simplify right side
    78,255.16x = 2,593,824,639.89
  5. Step 5: Solve for x
    x = 2,593,824,639.89/78,255.16
  6. Step 6: Final answer
    x = 33,145.73

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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.