Home / 77,293.12-106,661.46-43,759.12

Finding the Fourth Proportional to 77,293.12, 106,661.46 and 43,759.12

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Solution

The fourth proportional to 77,293.12, 106,661.46 and 43,759.12 is: 60,385.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,293.12 : 106,661.46 = 43,759.12 : x
  2. Step 2: Convert to fraction form
    77,293.12/106,661.46 = 43,759.12/x
  3. Step 3: Cross multiply
    77,293.12x = 106,661.46 × 43,759.12
  4. Step 4: Simplify right side
    77,293.12x = 4,667,411,627.52
  5. Step 5: Solve for x
    x = 4,667,411,627.52/77,293.12
  6. Step 6: Final answer
    x = 60,385.86

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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.