Home / 113,822.88-157,082.40-63,525.12

Finding the Fourth Proportional to 113,822.88, 157,082.40 and 63,525.12

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Solution

The fourth proportional to 113,822.88, 157,082.40 and 63,525.12 is: 87,668.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,822.88 : 157,082.40 = 63,525.12 : x
  2. Step 2: Convert to fraction form
    113,822.88/157,082.40 = 63,525.12/x
  3. Step 3: Cross multiply
    113,822.88x = 157,082.40 × 63,525.12
  4. Step 4: Simplify right side
    113,822.88x = 9,978,678,309.89
  5. Step 5: Solve for x
    x = 9,978,678,309.89/113,822.88
  6. Step 6: Final answer
    x = 87,668.48

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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.