Home / 74,987.64-103,505.99-43,177.73

Finding the Fourth Proportional to 74,987.64, 103,505.99 and 43,177.73

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Solution

The fourth proportional to 74,987.64, 103,505.99 and 43,177.73 is: 59,598.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,987.64 : 103,505.99 = 43,177.73 : x
  2. Step 2: Convert to fraction form
    74,987.64/103,505.99 = 43,177.73/x
  3. Step 3: Cross multiply
    74,987.64x = 103,505.99 × 43,177.73
  4. Step 4: Simplify right side
    74,987.64x = 4,469,152,956.18
  5. Step 5: Solve for x
    x = 4,469,152,956.18/74,987.64
  6. Step 6: Final answer
    x = 59,598.53

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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.