Home / 66,962.35-92,410.93-40,099.71

Finding the Fourth Proportional to 66,962.35, 92,410.93 and 40,099.71

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Solution

The fourth proportional to 66,962.35, 92,410.93 and 40,099.71 is: 55,339.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,962.35 : 92,410.93 = 40,099.71 : x
  2. Step 2: Convert to fraction form
    66,962.35/92,410.93 = 40,099.71/x
  3. Step 3: Cross multiply
    66,962.35x = 92,410.93 × 40,099.71
  4. Step 4: Simplify right side
    66,962.35x = 3,705,651,145.12
  5. Step 5: Solve for x
    x = 3,705,651,145.12/66,962.35
  6. Step 6: Final answer
    x = 55,339.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.