Home / 93,290.26-139,908.39-40,687.06

Finding the Fourth Proportional to 93,290.26, 139,908.39 and 40,687.06

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Solution

The fourth proportional to 93,290.26, 139,908.39 and 40,687.06 is: 61,018.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,290.26 : 139,908.39 = 40,687.06 : x
  2. Step 2: Convert to fraction form
    93,290.26/139,908.39 = 40,687.06/x
  3. Step 3: Cross multiply
    93,290.26x = 139,908.39 × 40,687.06
  4. Step 4: Simplify right side
    93,290.26x = 5,692,461,058.43
  5. Step 5: Solve for x
    x = 5,692,461,058.43/93,290.26
  6. Step 6: Final answer
    x = 61,018.81

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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.