Home / 82,097.29-113,218.66-51,830.02

Finding the Fourth Proportional to 82,097.29, 113,218.66 and 51,830.02

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Solution

The fourth proportional to 82,097.29, 113,218.66 and 51,830.02 is: 71,477.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,097.29 : 113,218.66 = 51,830.02 : x
  2. Step 2: Convert to fraction form
    82,097.29/113,218.66 = 51,830.02/x
  3. Step 3: Cross multiply
    82,097.29x = 113,218.66 × 51,830.02
  4. Step 4: Simplify right side
    82,097.29x = 5,868,125,412.17
  5. Step 5: Solve for x
    x = 5,868,125,412.17/82,097.29
  6. Step 6: Final answer
    x = 71,477.70

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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.