Home / 53,765.64-74,136.60-36,772.65

Finding the Fourth Proportional to 53,765.64, 74,136.60 and 36,772.65

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Solution

The fourth proportional to 53,765.64, 74,136.60 and 36,772.65 is: 50,705.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,765.64 : 74,136.60 = 36,772.65 : x
  2. Step 2: Convert to fraction form
    53,765.64/74,136.60 = 36,772.65/x
  3. Step 3: Cross multiply
    53,765.64x = 74,136.60 × 36,772.65
  4. Step 4: Simplify right side
    53,765.64x = 2,726,199,243.99
  5. Step 5: Solve for x
    x = 2,726,199,243.99/53,765.64
  6. Step 6: Final answer
    x = 50,705.23

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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.