Home / 57,054.67-78,733.77-31,562.05

Finding the Fourth Proportional to 57,054.67, 78,733.77 and 31,562.05

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Solution

The fourth proportional to 57,054.67, 78,733.77 and 31,562.05 is: 43,554.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,054.67 : 78,733.77 = 31,562.05 : x
  2. Step 2: Convert to fraction form
    57,054.67/78,733.77 = 31,562.05/x
  3. Step 3: Cross multiply
    57,054.67x = 78,733.77 × 31,562.05
  4. Step 4: Simplify right side
    57,054.67x = 2,484,999,185.43
  5. Step 5: Solve for x
    x = 2,484,999,185.43/57,054.67
  6. Step 6: Final answer
    x = 43,554.70

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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.