Home / 61,166.40-84,331.49-39,618.06

Finding the Fourth Proportional to 61,166.40, 84,331.49 and 39,618.06

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Solution

The fourth proportional to 61,166.40, 84,331.49 and 39,618.06 is: 54,622.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,166.40 : 84,331.49 = 39,618.06 : x
  2. Step 2: Convert to fraction form
    61,166.40/84,331.49 = 39,618.06/x
  3. Step 3: Cross multiply
    61,166.40x = 84,331.49 × 39,618.06
  4. Step 4: Simplify right side
    61,166.40x = 3,341,049,832.62
  5. Step 5: Solve for x
    x = 3,341,049,832.62/61,166.40
  6. Step 6: Final answer
    x = 54,622.31

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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.