Home / 61,507.43-84,896.09-40,050.74

Finding the Fourth Proportional to 61,507.43, 84,896.09 and 40,050.74

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Solution

The fourth proportional to 61,507.43, 84,896.09 and 40,050.74 is: 55,280.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,507.43 : 84,896.09 = 40,050.74 : x
  2. Step 2: Convert to fraction form
    61,507.43/84,896.09 = 40,050.74/x
  3. Step 3: Cross multiply
    61,507.43x = 84,896.09 × 40,050.74
  4. Step 4: Simplify right side
    61,507.43x = 3,400,151,137.53
  5. Step 5: Solve for x
    x = 3,400,151,137.53/61,507.43
  6. Step 6: Final answer
    x = 55,280.33

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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.