Home / 84,160.23-116,132.72-49,699.59

Finding the Fourth Proportional to 84,160.23, 116,132.72 and 49,699.59

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Solution

The fourth proportional to 84,160.23, 116,132.72 and 49,699.59 is: 68,580.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,160.23 : 116,132.72 = 49,699.59 : x
  2. Step 2: Convert to fraction form
    84,160.23/116,132.72 = 49,699.59/x
  3. Step 3: Cross multiply
    84,160.23x = 116,132.72 × 49,699.59
  4. Step 4: Simplify right side
    84,160.23x = 5,771,748,321.09
  5. Step 5: Solve for x
    x = 5,771,748,321.09/84,160.23
  6. Step 6: Final answer
    x = 68,580.47

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1.5x scale

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.