Home / 66,590.22-91,824.61-43,900.18

Finding the Fourth Proportional to 66,590.22, 91,824.61 and 43,900.18

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Solution

The fourth proportional to 66,590.22, 91,824.61 and 43,900.18 is: 60,536.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,590.22 : 91,824.61 = 43,900.18 : x
  2. Step 2: Convert to fraction form
    66,590.22/91,824.61 = 43,900.18/x
  3. Step 3: Cross multiply
    66,590.22x = 91,824.61 × 43,900.18
  4. Step 4: Simplify right side
    66,590.22x = 4,031,117,064.44
  5. Step 5: Solve for x
    x = 4,031,117,064.44/66,590.22
  6. Step 6: Final answer
    x = 60,536.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.