Home / 66,454.17-91,706.65-36,239.55

Finding the Fourth Proportional to 66,454.17, 91,706.65 and 36,239.55

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Solution

The fourth proportional to 66,454.17, 91,706.65 and 36,239.55 is: 50,010.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,454.17 : 91,706.65 = 36,239.55 : x
  2. Step 2: Convert to fraction form
    66,454.17/91,706.65 = 36,239.55/x
  3. Step 3: Cross multiply
    66,454.17x = 91,706.65 × 36,239.55
  4. Step 4: Simplify right side
    66,454.17x = 3,323,407,728.01
  5. Step 5: Solve for x
    x = 3,323,407,728.01/66,454.17
  6. Step 6: Final answer
    x = 50,010.52

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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.