Home / 55,709.93-76,885.23-31,840.04

Finding the Fourth Proportional to 55,709.93, 76,885.23 and 31,840.04

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Solution

The fourth proportional to 55,709.93, 76,885.23 and 31,840.04 is: 43,942.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,709.93 : 76,885.23 = 31,840.04 : x
  2. Step 2: Convert to fraction form
    55,709.93/76,885.23 = 31,840.04/x
  3. Step 3: Cross multiply
    55,709.93x = 76,885.23 × 31,840.04
  4. Step 4: Simplify right side
    55,709.93x = 2,448,028,798.61
  5. Step 5: Solve for x
    x = 2,448,028,798.61/55,709.93
  6. Step 6: Final answer
    x = 43,942.41

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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.