Home / 89,010.40-122,845.26-53,200.12

Finding the Fourth Proportional to 89,010.40, 122,845.26 and 53,200.12

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Solution

The fourth proportional to 89,010.40, 122,845.26 and 53,200.12 is: 73,422.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,010.40 : 122,845.26 = 53,200.12 : x
  2. Step 2: Convert to fraction form
    89,010.40/122,845.26 = 53,200.12/x
  3. Step 3: Cross multiply
    89,010.40x = 122,845.26 × 53,200.12
  4. Step 4: Simplify right side
    89,010.40x = 6,535,382,573.43
  5. Step 5: Solve for x
    x = 6,535,382,573.43/89,010.40
  6. Step 6: Final answer
    x = 73,422.69

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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.