Home / 66,161.15-91,302-35,946.23

Finding the Fourth Proportional to 66,161.15, 91,302 and 35,946.23

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Solution

The fourth proportional to 66,161.15, 91,302 and 35,946.23 is: 49,605.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,161.15 : 91,302 = 35,946.23 : x
  2. Step 2: Convert to fraction form
    66,161.15/91,302 = 35,946.23/x
  3. Step 3: Cross multiply
    66,161.15x = 91,302 × 35,946.23
  4. Step 4: Simplify right side
    66,161.15x = 3,281,962,691.46
  5. Step 5: Solve for x
    x = 3,281,962,691.46/66,161.15
  6. Step 6: Final answer
    x = 49,605.59

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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.