Home / 66,113.19-99,169.79-19,366.07

Finding the Fourth Proportional to 66,113.19, 99,169.79 and 19,366.07

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Solution

The fourth proportional to 66,113.19, 99,169.79 and 19,366.07 is: 29,049.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,113.19 : 99,169.79 = 19,366.07 : x
  2. Step 2: Convert to fraction form
    66,113.19/99,169.79 = 19,366.07/x
  3. Step 3: Cross multiply
    66,113.19x = 99,169.79 × 19,366.07
  4. Step 4: Simplify right side
    66,113.19x = 1,920,528,502.35
  5. Step 5: Solve for x
    x = 1,920,528,502.35/66,113.19
  6. Step 6: Final answer
    x = 29,049.10

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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.