Home / 93,139.11-139,732.28-26,579.49

Finding the Fourth Proportional to 93,139.11, 139,732.28 and 26,579.49

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Solution

The fourth proportional to 93,139.11, 139,732.28 and 26,579.49 is: 39,875.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,139.11 : 139,732.28 = 26,579.49 : x
  2. Step 2: Convert to fraction form
    93,139.11/139,732.28 = 26,579.49/x
  3. Step 3: Cross multiply
    93,139.11x = 139,732.28 × 26,579.49
  4. Step 4: Simplify right side
    93,139.11x = 3,714,012,606.04
  5. Step 5: Solve for x
    x = 3,714,012,606.04/93,139.11
  6. Step 6: Final answer
    x = 39,875.97

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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.