Home / 124,493.40-186,750.63-53,419.14

Finding the Fourth Proportional to 124,493.40, 186,750.63 and 53,419.14

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Solution

The fourth proportional to 124,493.40, 186,750.63 and 53,419.14 is: 80,133.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,493.40 : 186,750.63 = 53,419.14 : x
  2. Step 2: Convert to fraction form
    124,493.40/186,750.63 = 53,419.14/x
  3. Step 3: Cross multiply
    124,493.40x = 186,750.63 × 53,419.14
  4. Step 4: Simplify right side
    124,493.40x = 9,976,058,049.06
  5. Step 5: Solve for x
    x = 9,976,058,049.06/124,493.40
  6. Step 6: Final answer
    x = 80,133.23

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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.