Home / 61,386.29-84,712.46-34,161.91

Finding the Fourth Proportional to 61,386.29, 84,712.46 and 34,161.91

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Solution

The fourth proportional to 61,386.29, 84,712.46 and 34,161.91 is: 47,143.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,386.29 : 84,712.46 = 34,161.91 : x
  2. Step 2: Convert to fraction form
    61,386.29/84,712.46 = 34,161.91/x
  3. Step 3: Cross multiply
    61,386.29x = 84,712.46 × 34,161.91
  4. Step 4: Simplify right side
    61,386.29x = 2,893,939,434.40
  5. Step 5: Solve for x
    x = 2,893,939,434.40/61,386.29
  6. Step 6: Final answer
    x = 47,143.09

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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.