Home / 93,143.88-139,717.26-51,853.32

Finding the Fourth Proportional to 93,143.88, 139,717.26 and 51,853.32

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Solution

The fourth proportional to 93,143.88, 139,717.26 and 51,853.32 is: 77,780.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,143.88 : 139,717.26 = 51,853.32 : x
  2. Step 2: Convert to fraction form
    93,143.88/139,717.26 = 51,853.32/x
  3. Step 3: Cross multiply
    93,143.88x = 139,717.26 × 51,853.32
  4. Step 4: Simplify right side
    93,143.88x = 7,244,803,792.30
  5. Step 5: Solve for x
    x = 7,244,803,792.30/93,143.88
  6. Step 6: Final answer
    x = 77,780.78

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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.