Home / 66,071.46-99,122.32-28,637.82

Finding the Fourth Proportional to 66,071.46, 99,122.32 and 28,637.82

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Solution

The fourth proportional to 66,071.46, 99,122.32 and 28,637.82 is: 42,963.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,071.46 : 99,122.32 = 28,637.82 : x
  2. Step 2: Convert to fraction form
    66,071.46/99,122.32 = 28,637.82/x
  3. Step 3: Cross multiply
    66,071.46x = 99,122.32 × 28,637.82
  4. Step 4: Simplify right side
    66,071.46x = 2,838,647,158.14
  5. Step 5: Solve for x
    x = 2,838,647,158.14/66,071.46
  6. Step 6: Final answer
    x = 42,963.29

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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.