Home / 124,571.90-186,882.44-45,686.81

Finding the Fourth Proportional to 124,571.90, 186,882.44 and 45,686.81

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Solution

The fourth proportional to 124,571.90, 186,882.44 and 45,686.81 is: 68,539.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,571.90 : 186,882.44 = 45,686.81 : x
  2. Step 2: Convert to fraction form
    124,571.90/186,882.44 = 45,686.81/x
  3. Step 3: Cross multiply
    124,571.90x = 186,882.44 × 45,686.81
  4. Step 4: Simplify right side
    124,571.90x = 8,538,062,498.77
  5. Step 5: Solve for x
    x = 8,538,062,498.77/124,571.90
  6. Step 6: Final answer
    x = 68,539.23

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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.