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Finding the Fourth Proportional to 66,150.90, 99,283.05 and 26,736.30

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Solution

The fourth proportional to 66,150.90, 99,283.05 and 26,736.30 is: 40,127.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,150.90 : 99,283.05 = 26,736.30 : x
  2. Step 2: Convert to fraction form
    66,150.90/99,283.05 = 26,736.30/x
  3. Step 3: Cross multiply
    66,150.90x = 99,283.05 × 26,736.30
  4. Step 4: Simplify right side
    66,150.90x = 2,654,461,409.72
  5. Step 5: Solve for x
    x = 2,654,461,409.72/66,150.90
  6. Step 6: Final answer
    x = 40,127.37

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1.5x scale

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.