Home / 66,383.03-91,613.69-37,707.81

Finding the Fourth Proportional to 66,383.03, 91,613.69 and 37,707.81

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Solution

The fourth proportional to 66,383.03, 91,613.69 and 37,707.81 is: 52,039.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,383.03 : 91,613.69 = 37,707.81 : x
  2. Step 2: Convert to fraction form
    66,383.03/91,613.69 = 37,707.81/x
  3. Step 3: Cross multiply
    66,383.03x = 91,613.69 × 37,707.81
  4. Step 4: Simplify right side
    66,383.03x = 3,454,551,427.38
  5. Step 5: Solve for x
    x = 3,454,551,427.38/66,383.03
  6. Step 6: Final answer
    x = 52,039.68

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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.