Home / 61,083.79-84,287.81-34,219.69

Finding the Fourth Proportional to 61,083.79, 84,287.81 and 34,219.69

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Solution

The fourth proportional to 61,083.79, 84,287.81 and 34,219.69 is: 47,218.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,083.79 : 84,287.81 = 34,219.69 : x
  2. Step 2: Convert to fraction form
    61,083.79/84,287.81 = 34,219.69/x
  3. Step 3: Cross multiply
    61,083.79x = 84,287.81 × 34,219.69
  4. Step 4: Simplify right side
    61,083.79x = 2,884,302,603.81
  5. Step 5: Solve for x
    x = 2,884,302,603.81/61,083.79
  6. Step 6: Final answer
    x = 47,218.79

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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.