Home / 61,707.09-85,155.66-33,412.86

Finding the Fourth Proportional to 61,707.09, 85,155.66 and 33,412.86

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Solution

The fourth proportional to 61,707.09, 85,155.66 and 33,412.86 is: 46,109.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,707.09 : 85,155.66 = 33,412.86 : x
  2. Step 2: Convert to fraction form
    61,707.09/85,155.66 = 33,412.86/x
  3. Step 3: Cross multiply
    61,707.09x = 85,155.66 × 33,412.86
  4. Step 4: Simplify right side
    61,707.09x = 2,845,294,145.79
  5. Step 5: Solve for x
    x = 2,845,294,145.79/61,707.09
  6. Step 6: Final answer
    x = 46,109.68

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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.