Home / 111,124.36-153,351.30-60,823

Finding the Fourth Proportional to 111,124.36, 153,351.30 and 60,823

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Solution

The fourth proportional to 111,124.36, 153,351.30 and 60,823 is: 83,935.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,124.36 : 153,351.30 = 60,823 : x
  2. Step 2: Convert to fraction form
    111,124.36/153,351.30 = 60,823/x
  3. Step 3: Cross multiply
    111,124.36x = 153,351.30 × 60,823
  4. Step 4: Simplify right side
    111,124.36x = 9,327,286,119.90
  5. Step 5: Solve for x
    x = 9,327,286,119.90/111,124.36
  6. Step 6: Final answer
    x = 83,935.57

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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.