Home / 77,591.10-107,056.83-47,365.41

Finding the Fourth Proportional to 77,591.10, 107,056.83 and 47,365.41

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Solution

The fourth proportional to 77,591.10, 107,056.83 and 47,365.41 is: 65,352.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,591.10 : 107,056.83 = 47,365.41 : x
  2. Step 2: Convert to fraction form
    77,591.10/107,056.83 = 47,365.41/x
  3. Step 3: Cross multiply
    77,591.10x = 107,056.83 × 47,365.41
  4. Step 4: Simplify right side
    77,591.10x = 5,070,790,646.25
  5. Step 5: Solve for x
    x = 5,070,790,646.25/77,591.10
  6. Step 6: Final answer
    x = 65,352.74

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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.