Home / 89,104.74-122,919.98-53,285.33

Finding the Fourth Proportional to 89,104.74, 122,919.98 and 53,285.33

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Solution

The fourth proportional to 89,104.74, 122,919.98 and 53,285.33 is: 73,507.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,104.74 : 122,919.98 = 53,285.33 : x
  2. Step 2: Convert to fraction form
    89,104.74/122,919.98 = 53,285.33/x
  3. Step 3: Cross multiply
    89,104.74x = 122,919.98 × 53,285.33
  4. Step 4: Simplify right side
    89,104.74x = 6,549,830,816.87
  5. Step 5: Solve for x
    x = 6,549,830,816.87/89,104.74
  6. Step 6: Final answer
    x = 73,507.10

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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.