Home / 125,207.39-187,822.73-40,968.11

Finding the Fourth Proportional to 125,207.39, 187,822.73 and 40,968.11

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Solution

The fourth proportional to 125,207.39, 187,822.73 and 40,968.11 is: 61,455.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,207.39 : 187,822.73 = 40,968.11 : x
  2. Step 2: Convert to fraction form
    125,207.39/187,822.73 = 40,968.11/x
  3. Step 3: Cross multiply
    125,207.39x = 187,822.73 × 40,968.11
  4. Step 4: Simplify right side
    125,207.39x = 7,694,742,835.12
  5. Step 5: Solve for x
    x = 7,694,742,835.12/125,207.39
  6. Step 6: Final answer
    x = 61,455.98

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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.