Home / 79,360.40-119,039.06-19,389.27

Finding the Fourth Proportional to 79,360.40, 119,039.06 and 19,389.27

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Solution

The fourth proportional to 79,360.40, 119,039.06 and 19,389.27 is: 29,083.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,360.40 : 119,039.06 = 19,389.27 : x
  2. Step 2: Convert to fraction form
    79,360.40/119,039.06 = 19,389.27/x
  3. Step 3: Cross multiply
    79,360.40x = 119,039.06 × 19,389.27
  4. Step 4: Simplify right side
    79,360.40x = 2,308,080,474.89
  5. Step 5: Solve for x
    x = 2,308,080,474.89/79,360.40
  6. Step 6: Final answer
    x = 29,083.53

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1.5x scale

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.