Home / 93,326.38-139,989.36-74,518.28

Finding the Fourth Proportional to 93,326.38, 139,989.36 and 74,518.28

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Solution

The fourth proportional to 93,326.38, 139,989.36 and 74,518.28 is: 111,777.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,326.38 : 139,989.36 = 74,518.28 : x
  2. Step 2: Convert to fraction form
    93,326.38/139,989.36 = 74,518.28/x
  3. Step 3: Cross multiply
    93,326.38x = 139,989.36 × 74,518.28
  4. Step 4: Simplify right side
    93,326.38x = 10,431,766,429.96
  5. Step 5: Solve for x
    x = 10,431,766,429.96/93,326.38
  6. Step 6: Final answer
    x = 111,777.26

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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.