Home / 124,065.30-186,080.32-39,814.56

Finding the Fourth Proportional to 124,065.30, 186,080.32 and 39,814.56

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Solution

The fourth proportional to 124,065.30, 186,080.32 and 39,814.56 is: 59,716.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,065.30 : 186,080.32 = 39,814.56 : x
  2. Step 2: Convert to fraction form
    124,065.30/186,080.32 = 39,814.56/x
  3. Step 3: Cross multiply
    124,065.30x = 186,080.32 × 39,814.56
  4. Step 4: Simplify right side
    124,065.30x = 7,408,706,065.46
  5. Step 5: Solve for x
    x = 7,408,706,065.46/124,065.30
  6. Step 6: Final answer
    x = 59,716.18

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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.