Home / 71,435.06-98,582.72-39,606.92

Finding the Fourth Proportional to 71,435.06, 98,582.72 and 39,606.92

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Solution

The fourth proportional to 71,435.06, 98,582.72 and 39,606.92 is: 54,658.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,435.06 : 98,582.72 = 39,606.92 : x
  2. Step 2: Convert to fraction form
    71,435.06/98,582.72 = 39,606.92/x
  3. Step 3: Cross multiply
    71,435.06x = 98,582.72 × 39,606.92
  4. Step 4: Simplify right side
    71,435.06x = 3,904,557,904.42
  5. Step 5: Solve for x
    x = 3,904,557,904.42/71,435.06
  6. Step 6: Final answer
    x = 54,658.85

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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.