Home / 81,603.96-122,332.07-29,001.14

Finding the Fourth Proportional to 81,603.96, 122,332.07 and 29,001.14

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Solution

The fourth proportional to 81,603.96, 122,332.07 and 29,001.14 is: 43,475.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,603.96 : 122,332.07 = 29,001.14 : x
  2. Step 2: Convert to fraction form
    81,603.96/122,332.07 = 29,001.14/x
  3. Step 3: Cross multiply
    81,603.96x = 122,332.07 × 29,001.14
  4. Step 4: Simplify right side
    81,603.96x = 3,547,769,408.15
  5. Step 5: Solve for x
    x = 3,547,769,408.15/81,603.96
  6. Step 6: Final answer
    x = 43,475.46

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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.