Home / 65,820.33-98,730.54-30,784.59

Finding the Fourth Proportional to 65,820.33, 98,730.54 and 30,784.59

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Solution

The fourth proportional to 65,820.33, 98,730.54 and 30,784.59 is: 46,176.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,820.33 : 98,730.54 = 30,784.59 : x
  2. Step 2: Convert to fraction form
    65,820.33/98,730.54 = 30,784.59/x
  3. Step 3: Cross multiply
    65,820.33x = 98,730.54 × 30,784.59
  4. Step 4: Simplify right side
    65,820.33x = 3,039,379,194.38
  5. Step 5: Solve for x
    x = 3,039,379,194.38/65,820.33
  6. Step 6: Final answer
    x = 46,176.91

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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.