Home / 61,146.90-84,379.05-34,284.06

Finding the Fourth Proportional to 61,146.90, 84,379.05 and 34,284.06

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Solution

The fourth proportional to 61,146.90, 84,379.05 and 34,284.06 is: 47,309.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,146.90 : 84,379.05 = 34,284.06 : x
  2. Step 2: Convert to fraction form
    61,146.90/84,379.05 = 34,284.06/x
  3. Step 3: Cross multiply
    61,146.90x = 84,379.05 × 34,284.06
  4. Step 4: Simplify right side
    61,146.90x = 2,892,856,412.94
  5. Step 5: Solve for x
    x = 2,892,856,412.94/61,146.90
  6. Step 6: Final answer
    x = 47,309.94

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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.