Home / 125,107.74-187,622.37-40,848.71

Finding the Fourth Proportional to 125,107.74, 187,622.37 and 40,848.71

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Solution

The fourth proportional to 125,107.74, 187,622.37 and 40,848.71 is: 61,260.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,107.74 : 187,622.37 = 40,848.71 : x
  2. Step 2: Convert to fraction form
    125,107.74/187,622.37 = 40,848.71/x
  3. Step 3: Cross multiply
    125,107.74x = 187,622.37 × 40,848.71
  4. Step 4: Simplify right side
    125,107.74x = 7,664,130,843.53
  5. Step 5: Solve for x
    x = 7,664,130,843.53/125,107.74
  6. Step 6: Final answer
    x = 61,260.25

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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.