Home / 93,351.16-139,431.48-84,452.72

Finding the Fourth Proportional to 93,351.16, 139,431.48 and 84,452.72

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Solution

The fourth proportional to 93,351.16, 139,431.48 and 84,452.72 is: 126,140.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,351.16 : 139,431.48 = 84,452.72 : x
  2. Step 2: Convert to fraction form
    93,351.16/139,431.48 = 84,452.72/x
  3. Step 3: Cross multiply
    93,351.16x = 139,431.48 × 84,452.72
  4. Step 4: Simplify right side
    93,351.16x = 11,775,367,739.63
  5. Step 5: Solve for x
    x = 11,775,367,739.63/93,351.16
  6. Step 6: Final answer
    x = 126,140.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.