Home / 66,532.32-91,833.76-39,333.60

Finding the Fourth Proportional to 66,532.32, 91,833.76 and 39,333.60

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Solution

The fourth proportional to 66,532.32, 91,833.76 and 39,333.60 is: 54,291.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,532.32 : 91,833.76 = 39,333.60 : x
  2. Step 2: Convert to fraction form
    66,532.32/91,833.76 = 39,333.60/x
  3. Step 3: Cross multiply
    66,532.32x = 91,833.76 × 39,333.60
  4. Step 4: Simplify right side
    66,532.32x = 3,612,152,382.34
  5. Step 5: Solve for x
    x = 3,612,152,382.34/66,532.32
  6. Step 6: Final answer
    x = 54,291.69

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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.