Home / 111,692.16-154,136.19-60,705.02

Finding the Fourth Proportional to 111,692.16, 154,136.19 and 60,705.02

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Solution

The fourth proportional to 111,692.16, 154,136.19 and 60,705.02 is: 83,773.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,692.16 : 154,136.19 = 60,705.02 : x
  2. Step 2: Convert to fraction form
    111,692.16/154,136.19 = 60,705.02/x
  3. Step 3: Cross multiply
    111,692.16x = 154,136.19 × 60,705.02
  4. Step 4: Simplify right side
    111,692.16x = 9,356,839,725.99
  5. Step 5: Solve for x
    x = 9,356,839,725.99/111,692.16
  6. Step 6: Final answer
    x = 83,773.47

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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.