Home / 61,653.03-85,081.23-42,801.09

Finding the Fourth Proportional to 61,653.03, 85,081.23 and 42,801.09

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Solution

The fourth proportional to 61,653.03, 85,081.23 and 42,801.09 is: 59,065.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,653.03 : 85,081.23 = 42,801.09 : x
  2. Step 2: Convert to fraction form
    61,653.03/85,081.23 = 42,801.09/x
  3. Step 3: Cross multiply
    61,653.03x = 85,081.23 × 42,801.09
  4. Step 4: Simplify right side
    61,653.03x = 3,641,569,382.54
  5. Step 5: Solve for x
    x = 3,641,569,382.54/61,653.03
  6. Step 6: Final answer
    x = 59,065.54

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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.