Home / 66,411.27-99,587.59-19,015.61

Finding the Fourth Proportional to 66,411.27, 99,587.59 and 19,015.61

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Solution

The fourth proportional to 66,411.27, 99,587.59 and 19,015.61 is: 28,515.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,411.27 : 99,587.59 = 19,015.61 : x
  2. Step 2: Convert to fraction form
    66,411.27/99,587.59 = 19,015.61/x
  3. Step 3: Cross multiply
    66,411.27x = 99,587.59 × 19,015.61
  4. Step 4: Simplify right side
    66,411.27x = 1,893,718,772.28
  5. Step 5: Solve for x
    x = 1,893,718,772.28/66,411.27
  6. Step 6: Final answer
    x = 28,515.02

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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.