Home / 111,693.17-154,136.44-60,705.79

Finding the Fourth Proportional to 111,693.17, 154,136.44 and 60,705.79

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Solution

The fourth proportional to 111,693.17, 154,136.44 and 60,705.79 is: 83,773.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,693.17 : 154,136.44 = 60,705.79 : x
  2. Step 2: Convert to fraction form
    111,693.17/154,136.44 = 60,705.79/x
  3. Step 3: Cross multiply
    111,693.17x = 154,136.44 × 60,705.79
  4. Step 4: Simplify right side
    111,693.17x = 9,356,974,357.99
  5. Step 5: Solve for x
    x = 9,356,974,357.99/111,693.17
  6. Step 6: Final answer
    x = 83,773.92

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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.