Home / 77,425.83-106,734.53-54,724.77

Finding the Fourth Proportional to 77,425.83, 106,734.53 and 54,724.77

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Solution

The fourth proportional to 77,425.83, 106,734.53 and 54,724.77 is: 75,440.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,425.83 : 106,734.53 = 54,724.77 : x
  2. Step 2: Convert to fraction form
    77,425.83/106,734.53 = 54,724.77/x
  3. Step 3: Cross multiply
    77,425.83x = 106,734.53 × 54,724.77
  4. Step 4: Simplify right side
    77,425.83x = 5,841,022,742.12
  5. Step 5: Solve for x
    x = 5,841,022,742.12/77,425.83
  6. Step 6: Final answer
    x = 75,440.23

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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.