Home / 77,711.71-107,241.00-43,720.24

Finding the Fourth Proportional to 77,711.71, 107,241.00 and 43,720.24

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Solution

The fourth proportional to 77,711.71, 107,241.00 and 43,720.24 is: 60,333.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,711.71 : 107,241.00 = 43,720.24 : x
  2. Step 2: Convert to fraction form
    77,711.71/107,241.00 = 43,720.24/x
  3. Step 3: Cross multiply
    77,711.71x = 107,241.00 × 43,720.24
  4. Step 4: Simplify right side
    77,711.71x = 4,688,601,846.76
  5. Step 5: Solve for x
    x = 4,688,601,846.76/77,711.71
  6. Step 6: Final answer
    x = 60,333.27

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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.