Home / 61,405.20-84,742.20-34,546.32

Finding the Fourth Proportional to 61,405.20, 84,742.20 and 34,546.32

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Solution

The fourth proportional to 61,405.20, 84,742.20 and 34,546.32 is: 47,675.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,405.20 : 84,742.20 = 34,546.32 : x
  2. Step 2: Convert to fraction form
    61,405.20/84,742.20 = 34,546.32/x
  3. Step 3: Cross multiply
    61,405.20x = 84,742.20 × 34,546.32
  4. Step 4: Simplify right side
    61,405.20x = 2,927,531,158.70
  5. Step 5: Solve for x
    x = 2,927,531,158.70/61,405.20
  6. Step 6: Final answer
    x = 47,675.62

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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.