Home / 66,865.53-100,300.28-29,406.17

Finding the Fourth Proportional to 66,865.53, 100,300.28 and 29,406.17

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Solution

The fourth proportional to 66,865.53, 100,300.28 and 29,406.17 is: 44,110.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,865.53 : 100,300.28 = 29,406.17 : x
  2. Step 2: Convert to fraction form
    66,865.53/100,300.28 = 29,406.17/x
  3. Step 3: Cross multiply
    66,865.53x = 100,300.28 × 29,406.17
  4. Step 4: Simplify right side
    66,865.53x = 2,949,447,188.45
  5. Step 5: Solve for x
    x = 2,949,447,188.45/66,865.53
  6. Step 6: Final answer
    x = 44,110.13

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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.