Home / 61,580.96-84,962.40-37,682.72

Finding the Fourth Proportional to 61,580.96, 84,962.40 and 37,682.72

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Solution

The fourth proportional to 61,580.96, 84,962.40 and 37,682.72 is: 51,990.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,580.96 : 84,962.40 = 37,682.72 : x
  2. Step 2: Convert to fraction form
    61,580.96/84,962.40 = 37,682.72/x
  3. Step 3: Cross multiply
    61,580.96x = 84,962.40 × 37,682.72
  4. Step 4: Simplify right side
    61,580.96x = 3,201,614,329.73
  5. Step 5: Solve for x
    x = 3,201,614,329.73/61,580.96
  6. Step 6: Final answer
    x = 51,990.33

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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.