Home / 61,407.25-84,742.34-34,550.21

Finding the Fourth Proportional to 61,407.25, 84,742.34 and 34,550.21

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Solution

The fourth proportional to 61,407.25, 84,742.34 and 34,550.21 is: 47,679.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,407.25 : 84,742.34 = 34,550.21 : x
  2. Step 2: Convert to fraction form
    61,407.25/84,742.34 = 34,550.21/x
  3. Step 3: Cross multiply
    61,407.25x = 84,742.34 × 34,550.21
  4. Step 4: Simplify right side
    61,407.25x = 2,927,865,682.00
  5. Step 5: Solve for x
    x = 2,927,865,682.00/61,407.25
  6. Step 6: Final answer
    x = 47,679.48

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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.