Home / 61,770.25-85,252.09-39,111.34

Finding the Fourth Proportional to 61,770.25, 85,252.09 and 39,111.34

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Solution

The fourth proportional to 61,770.25, 85,252.09 and 39,111.34 is: 53,979.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,770.25 : 85,252.09 = 39,111.34 : x
  2. Step 2: Convert to fraction form
    61,770.25/85,252.09 = 39,111.34/x
  3. Step 3: Cross multiply
    61,770.25x = 85,252.09 × 39,111.34
  4. Step 4: Simplify right side
    61,770.25x = 3,334,323,477.70
  5. Step 5: Solve for x
    x = 3,334,323,477.70/61,770.25
  6. Step 6: Final answer
    x = 53,979.44

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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.