Home / 124,101.96-186,135.30-39,851.22

Finding the Fourth Proportional to 124,101.96, 186,135.30 and 39,851.22

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Solution

The fourth proportional to 124,101.96, 186,135.30 and 39,851.22 is: 59,771.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,101.96 : 186,135.30 = 39,851.22 : x
  2. Step 2: Convert to fraction form
    124,101.96/186,135.30 = 39,851.22/x
  3. Step 3: Cross multiply
    124,101.96x = 186,135.30 × 39,851.22
  4. Step 4: Simplify right side
    124,101.96x = 7,417,718,790.07
  5. Step 5: Solve for x
    x = 7,417,718,790.07/124,101.96
  6. Step 6: Final answer
    x = 59,771.17

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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.