Home / 66,219.50-99,263.64-31,096.28

Finding the Fourth Proportional to 66,219.50, 99,263.64 and 31,096.28

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Solution

The fourth proportional to 66,219.50, 99,263.64 and 31,096.28 is: 46,613.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,219.50 : 99,263.64 = 31,096.28 : x
  2. Step 2: Convert to fraction form
    66,219.50/99,263.64 = 31,096.28/x
  3. Step 3: Cross multiply
    66,219.50x = 99,263.64 × 31,096.28
  4. Step 4: Simplify right side
    66,219.50x = 3,086,729,943.26
  5. Step 5: Solve for x
    x = 3,086,729,943.26/66,219.50
  6. Step 6: Final answer
    x = 46,613.61

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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.