Home / 66,175.20-99,120.24-31,062.24

Finding the Fourth Proportional to 66,175.20, 99,120.24 and 31,062.24

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Solution

The fourth proportional to 66,175.20, 99,120.24 and 31,062.24 is: 46,526.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,175.20 : 99,120.24 = 31,062.24 : x
  2. Step 2: Convert to fraction form
    66,175.20/99,120.24 = 31,062.24/x
  3. Step 3: Cross multiply
    66,175.20x = 99,120.24 × 31,062.24
  4. Step 4: Simplify right side
    66,175.20x = 3,078,896,683.74
  5. Step 5: Solve for x
    x = 3,078,896,683.74/66,175.20
  6. Step 6: Final answer
    x = 46,526.44

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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.