Home / 117,028.16-161,498.64-63,313.24

Finding the Fourth Proportional to 117,028.16, 161,498.64 and 63,313.24

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Solution

The fourth proportional to 117,028.16, 161,498.64 and 63,313.24 is: 87,372.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,028.16 : 161,498.64 = 63,313.24 : x
  2. Step 2: Convert to fraction form
    117,028.16/161,498.64 = 63,313.24/x
  3. Step 3: Cross multiply
    117,028.16x = 161,498.64 × 63,313.24
  4. Step 4: Simplify right side
    117,028.16x = 10,225,002,153.99
  5. Step 5: Solve for x
    x = 10,225,002,153.99/117,028.16
  6. Step 6: Final answer
    x = 87,372.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.