Home / 66,165.54-99,247.50-31,080.39

Finding the Fourth Proportional to 66,165.54, 99,247.50 and 31,080.39

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Solution

The fourth proportional to 66,165.54, 99,247.50 and 31,080.39 is: 46,620.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,165.54 : 99,247.50 = 31,080.39 : x
  2. Step 2: Convert to fraction form
    66,165.54/99,247.50 = 31,080.39/x
  3. Step 3: Cross multiply
    66,165.54x = 99,247.50 × 31,080.39
  4. Step 4: Simplify right side
    66,165.54x = 3,084,651,006.53
  5. Step 5: Solve for x
    x = 3,084,651,006.53/66,165.54
  6. Step 6: Final answer
    x = 46,620.20

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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.