Home / 111,693.24-154,137.70-60,706.10

Finding the Fourth Proportional to 111,693.24, 154,137.70 and 60,706.10

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Solution

The fourth proportional to 111,693.24, 154,137.70 and 60,706.10 is: 83,774.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,693.24 : 154,137.70 = 60,706.10 : x
  2. Step 2: Convert to fraction form
    111,693.24/154,137.70 = 60,706.10/x
  3. Step 3: Cross multiply
    111,693.24x = 154,137.70 × 60,706.10
  4. Step 4: Simplify right side
    111,693.24x = 9,357,098,629.97
  5. Step 5: Solve for x
    x = 9,357,098,629.97/111,693.24
  6. Step 6: Final answer
    x = 83,774.98

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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.