Home / 61,116.84-84,339.62-34,261.09

Finding the Fourth Proportional to 61,116.84, 84,339.62 and 34,261.09

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Solution

The fourth proportional to 61,116.84, 84,339.62 and 34,261.09 is: 47,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,116.84 : 84,339.62 = 34,261.09 : x
  2. Step 2: Convert to fraction form
    61,116.84/84,339.62 = 34,261.09/x
  3. Step 3: Cross multiply
    61,116.84x = 84,339.62 × 34,261.09
  4. Step 4: Simplify right side
    61,116.84x = 2,889,567,311.39
  5. Step 5: Solve for x
    x = 2,889,567,311.39/61,116.84
  6. Step 6: Final answer
    x = 47,279.40

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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.