Home / 124,969.06-187,359.90-40,678.84

Finding the Fourth Proportional to 124,969.06, 187,359.90 and 40,678.84

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Solution

The fourth proportional to 124,969.06, 187,359.90 and 40,678.84 is: 60,987.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,969.06 : 187,359.90 = 40,678.84 : x
  2. Step 2: Convert to fraction form
    124,969.06/187,359.90 = 40,678.84/x
  3. Step 3: Cross multiply
    124,969.06x = 187,359.90 × 40,678.84
  4. Step 4: Simplify right side
    124,969.06x = 7,621,583,394.52
  5. Step 5: Solve for x
    x = 7,621,583,394.52/124,969.06
  6. Step 6: Final answer
    x = 60,987.76

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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.