Home / 77,181.97-106,527.66-50,276.47

Finding the Fourth Proportional to 77,181.97, 106,527.66 and 50,276.47

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Solution

The fourth proportional to 77,181.97, 106,527.66 and 50,276.47 is: 69,392.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,181.97 : 106,527.66 = 50,276.47 : x
  2. Step 2: Convert to fraction form
    77,181.97/106,527.66 = 50,276.47/x
  3. Step 3: Cross multiply
    77,181.97x = 106,527.66 × 50,276.47
  4. Step 4: Simplify right side
    77,181.97x = 5,355,834,702.16
  5. Step 5: Solve for x
    x = 5,355,834,702.16/77,181.97
  6. Step 6: Final answer
    x = 69,392.30

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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.