Home / 77,033.88-106,268.04-53,173.80

Finding the Fourth Proportional to 77,033.88, 106,268.04 and 53,173.80

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Solution

The fourth proportional to 77,033.88, 106,268.04 and 53,173.80 is: 73,353.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,033.88 : 106,268.04 = 53,173.80 : x
  2. Step 2: Convert to fraction form
    77,033.88/106,268.04 = 53,173.80/x
  3. Step 3: Cross multiply
    77,033.88x = 106,268.04 × 53,173.80
  4. Step 4: Simplify right side
    77,033.88x = 5,650,675,505.35
  5. Step 5: Solve for x
    x = 5,650,675,505.35/77,033.88
  6. Step 6: Final answer
    x = 73,353.12

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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.