Home / 61,539.84-84,879.36-39,191.04

Finding the Fourth Proportional to 61,539.84, 84,879.36 and 39,191.04

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Solution

The fourth proportional to 61,539.84, 84,879.36 and 39,191.04 is: 54,054.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,539.84 : 84,879.36 = 39,191.04 : x
  2. Step 2: Convert to fraction form
    61,539.84/84,879.36 = 39,191.04/x
  3. Step 3: Cross multiply
    61,539.84x = 84,879.36 × 39,191.04
  4. Step 4: Simplify right side
    61,539.84x = 3,326,510,392.93
  5. Step 5: Solve for x
    x = 3,326,510,392.93/61,539.84
  6. Step 6: Final answer
    x = 54,054.58

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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.