Home / 65,790.24-98,710.14-39,513.30

Finding the Fourth Proportional to 65,790.24, 98,710.14 and 39,513.30

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Solution

The fourth proportional to 65,790.24, 98,710.14 and 39,513.30 is: 59,284.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,790.24 : 98,710.14 = 39,513.30 : x
  2. Step 2: Convert to fraction form
    65,790.24/98,710.14 = 39,513.30/x
  3. Step 3: Cross multiply
    65,790.24x = 98,710.14 × 39,513.30
  4. Step 4: Simplify right side
    65,790.24x = 3,900,363,374.86
  5. Step 5: Solve for x
    x = 3,900,363,374.86/65,790.24
  6. Step 6: Final answer
    x = 59,284.83

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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.