Home / 66,403.82-91,640.52-37,341.33

Finding the Fourth Proportional to 66,403.82, 91,640.52 and 37,341.33

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Solution

The fourth proportional to 66,403.82, 91,640.52 and 37,341.33 is: 51,532.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,403.82 : 91,640.52 = 37,341.33 : x
  2. Step 2: Convert to fraction form
    66,403.82/91,640.52 = 37,341.33/x
  3. Step 3: Cross multiply
    66,403.82x = 91,640.52 × 37,341.33
  4. Step 4: Simplify right side
    66,403.82x = 3,421,979,354.51
  5. Step 5: Solve for x
    x = 3,421,979,354.51/66,403.82
  6. Step 6: Final answer
    x = 51,532.87

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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.