Home / 66,276.60-91,461.67-36,061.89

Finding the Fourth Proportional to 66,276.60, 91,461.67 and 36,061.89

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Solution

The fourth proportional to 66,276.60, 91,461.67 and 36,061.89 is: 49,765.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,276.60 : 91,461.67 = 36,061.89 : x
  2. Step 2: Convert to fraction form
    66,276.60/91,461.67 = 36,061.89/x
  3. Step 3: Cross multiply
    66,276.60x = 91,461.67 × 36,061.89
  4. Step 4: Simplify right side
    66,276.60x = 3,298,280,592.60
  5. Step 5: Solve for x
    x = 3,298,280,592.60/66,276.60
  6. Step 6: Final answer
    x = 49,765.39

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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.