Home / 65,564.52-98,415.09-58,115.40

Finding the Fourth Proportional to 65,564.52, 98,415.09 and 58,115.40

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Solution

The fourth proportional to 65,564.52, 98,415.09 and 58,115.40 is: 87,233.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,564.52 : 98,415.09 = 58,115.40 : x
  2. Step 2: Convert to fraction form
    65,564.52/98,415.09 = 58,115.40/x
  3. Step 3: Cross multiply
    65,564.52x = 98,415.09 × 58,115.40
  4. Step 4: Simplify right side
    65,564.52x = 5,719,432,321.39
  5. Step 5: Solve for x
    x = 5,719,432,321.39/65,564.52
  6. Step 6: Final answer
    x = 87,233.65

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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.