Home / 111,427.11-153,760.26-61,126.11

Finding the Fourth Proportional to 111,427.11, 153,760.26 and 61,126.11

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Solution

The fourth proportional to 111,427.11, 153,760.26 and 61,126.11 is: 84,349.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,427.11 : 153,760.26 = 61,126.11 : x
  2. Step 2: Convert to fraction form
    111,427.11/153,760.26 = 61,126.11/x
  3. Step 3: Cross multiply
    111,427.11x = 153,760.26 × 61,126.11
  4. Step 4: Simplify right side
    111,427.11x = 9,398,766,566.39
  5. Step 5: Solve for x
    x = 9,398,766,566.39/111,427.11
  6. Step 6: Final answer
    x = 84,349.01

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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.