Home / 66,217.50-99,260.64-31,094.28

Finding the Fourth Proportional to 66,217.50, 99,260.64 and 31,094.28

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Solution

The fourth proportional to 66,217.50, 99,260.64 and 31,094.28 is: 46,610.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,217.50 : 99,260.64 = 31,094.28 : x
  2. Step 2: Convert to fraction form
    66,217.50/99,260.64 = 31,094.28/x
  3. Step 3: Cross multiply
    66,217.50x = 99,260.64 × 31,094.28
  4. Step 4: Simplify right side
    66,217.50x = 3,086,438,133.14
  5. Step 5: Solve for x
    x = 3,086,438,133.14/66,217.50
  6. Step 6: Final answer
    x = 46,610.61

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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.