Home / 66,271.35-91,454.43-36,056.63

Finding the Fourth Proportional to 66,271.35, 91,454.43 and 36,056.63

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Solution

The fourth proportional to 66,271.35, 91,454.43 and 36,056.63 is: 49,758.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,271.35 : 91,454.43 = 36,056.63 : x
  2. Step 2: Convert to fraction form
    66,271.35/91,454.43 = 36,056.63/x
  3. Step 3: Cross multiply
    66,271.35x = 91,454.43 × 36,056.63
  4. Step 4: Simplify right side
    66,271.35x = 3,297,538,773.01
  5. Step 5: Solve for x
    x = 3,297,538,773.01/66,271.35
  6. Step 6: Final answer
    x = 49,758.13

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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.