Home / 78,792.46-108,733.91-42,983.22

Finding the Fourth Proportional to 78,792.46, 108,733.91 and 42,983.22

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Solution

The fourth proportional to 78,792.46, 108,733.91 and 42,983.22 is: 59,317.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,792.46 : 108,733.91 = 42,983.22 : x
  2. Step 2: Convert to fraction form
    78,792.46/108,733.91 = 42,983.22/x
  3. Step 3: Cross multiply
    78,792.46x = 108,733.91 × 42,983.22
  4. Step 4: Simplify right side
    78,792.46x = 4,673,733,682.45
  5. Step 5: Solve for x
    x = 4,673,733,682.45/78,792.46
  6. Step 6: Final answer
    x = 59,317.02

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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.