Home / 125,136.57-187,574.28-61,917.24

Finding the Fourth Proportional to 125,136.57, 187,574.28 and 61,917.24

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Solution

The fourth proportional to 125,136.57, 187,574.28 and 61,917.24 is: 92,811.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,136.57 : 187,574.28 = 61,917.24 : x
  2. Step 2: Convert to fraction form
    125,136.57/187,574.28 = 61,917.24/x
  3. Step 3: Cross multiply
    125,136.57x = 187,574.28 × 61,917.24
  4. Step 4: Simplify right side
    125,136.57x = 11,614,081,712.59
  5. Step 5: Solve for x
    x = 11,614,081,712.59/125,136.57
  6. Step 6: Final answer
    x = 92,811.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.