Home / 66,962.36-92,401.33-40,104.18

Finding the Fourth Proportional to 66,962.36, 92,401.33 and 40,104.18

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Solution

The fourth proportional to 66,962.36, 92,401.33 and 40,104.18 is: 55,339.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,962.36 : 92,401.33 = 40,104.18 : x
  2. Step 2: Convert to fraction form
    66,962.36/92,401.33 = 40,104.18/x
  3. Step 3: Cross multiply
    66,962.36x = 92,401.33 × 40,104.18
  4. Step 4: Simplify right side
    66,962.36x = 3,705,679,570.56
  5. Step 5: Solve for x
    x = 3,705,679,570.56/66,962.36
  6. Step 6: Final answer
    x = 55,339.74

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1.5x scale

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.