Home / 61,115.10-84,344.04-34,262.80

Finding the Fourth Proportional to 61,115.10, 84,344.04 and 34,262.80

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Solution

The fourth proportional to 61,115.10, 84,344.04 and 34,262.80 is: 47,285.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,115.10 : 84,344.04 = 34,262.80 : x
  2. Step 2: Convert to fraction form
    61,115.10/84,344.04 = 34,262.80/x
  3. Step 3: Cross multiply
    61,115.10x = 84,344.04 × 34,262.80
  4. Step 4: Simplify right side
    61,115.10x = 2,889,863,175.51
  5. Step 5: Solve for x
    x = 2,889,863,175.51/61,115.10
  6. Step 6: Final answer
    x = 47,285.58

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1.5x scale

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.