Home / 85,570.56-118,087.38-47,844.90

Finding the Fourth Proportional to 85,570.56, 118,087.38 and 47,844.90

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Solution

The fourth proportional to 85,570.56, 118,087.38 and 47,844.90 is: 66,025.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,570.56 : 118,087.38 = 47,844.90 : x
  2. Step 2: Convert to fraction form
    85,570.56/118,087.38 = 47,844.90/x
  3. Step 3: Cross multiply
    85,570.56x = 118,087.38 × 47,844.90
  4. Step 4: Simplify right side
    85,570.56x = 5,649,878,887.36
  5. Step 5: Solve for x
    x = 5,649,878,887.36/85,570.56
  6. Step 6: Final answer
    x = 66,025.97

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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.