Home / 84,428.39-116,499.77-48,134.52

Finding the Fourth Proportional to 84,428.39, 116,499.77 and 48,134.52

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Solution

The fourth proportional to 84,428.39, 116,499.77 and 48,134.52 is: 66,419.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,428.39 : 116,499.77 = 48,134.52 : x
  2. Step 2: Convert to fraction form
    84,428.39/116,499.77 = 48,134.52/x
  3. Step 3: Cross multiply
    84,428.39x = 116,499.77 × 48,134.52
  4. Step 4: Simplify right side
    84,428.39x = 5,607,660,448.89
  5. Step 5: Solve for x
    x = 5,607,660,448.89/84,428.39
  6. Step 6: Final answer
    x = 66,419.13

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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.