Home / 77,657.27-107,164.55-43,667.24

Finding the Fourth Proportional to 77,657.27, 107,164.55 and 43,667.24

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Solution

The fourth proportional to 77,657.27, 107,164.55 and 43,667.24 is: 60,259.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,657.27 : 107,164.55 = 43,667.24 : x
  2. Step 2: Convert to fraction form
    77,657.27/107,164.55 = 43,667.24/x
  3. Step 3: Cross multiply
    77,657.27x = 107,164.55 × 43,667.24
  4. Step 4: Simplify right side
    77,657.27x = 4,679,579,697.69
  5. Step 5: Solve for x
    x = 4,679,579,697.69/77,657.27
  6. Step 6: Final answer
    x = 60,259.39

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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.