Home / 89,225.61-133,659.97-53,667.30

Finding the Fourth Proportional to 89,225.61, 133,659.97 and 53,667.30

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Solution

The fourth proportional to 89,225.61, 133,659.97 and 53,667.30 is: 80,393.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,225.61 : 133,659.97 = 53,667.30 : x
  2. Step 2: Convert to fraction form
    89,225.61/133,659.97 = 53,667.30/x
  3. Step 3: Cross multiply
    89,225.61x = 133,659.97 × 53,667.30
  4. Step 4: Simplify right side
    89,225.61x = 7,173,169,437.12
  5. Step 5: Solve for x
    x = 7,173,169,437.12/89,225.61
  6. Step 6: Final answer
    x = 80,393.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.