Home / 93,355.32-139,991.76-26,780.34

Finding the Fourth Proportional to 93,355.32, 139,991.76 and 26,780.34

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Solution

The fourth proportional to 93,355.32, 139,991.76 and 26,780.34 is: 40,158.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,355.32 : 139,991.76 = 26,780.34 : x
  2. Step 2: Convert to fraction form
    93,355.32/139,991.76 = 26,780.34/x
  3. Step 3: Cross multiply
    93,355.32x = 139,991.76 × 26,780.34
  4. Step 4: Simplify right side
    93,355.32x = 3,749,026,930.00
  5. Step 5: Solve for x
    x = 3,749,026,930.00/93,355.32
  6. Step 6: Final answer
    x = 40,158.69

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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.