Home / 55,533.06-76,636.98-31,662

Finding the Fourth Proportional to 55,533.06, 76,636.98 and 31,662

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Solution

The fourth proportional to 55,533.06, 76,636.98 and 31,662 is: 43,694.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,533.06 : 76,636.98 = 31,662 : x
  2. Step 2: Convert to fraction form
    55,533.06/76,636.98 = 31,662/x
  3. Step 3: Cross multiply
    55,533.06x = 76,636.98 × 31,662
  4. Step 4: Simplify right side
    55,533.06x = 2,426,480,060.76
  5. Step 5: Solve for x
    x = 2,426,480,060.76/55,533.06
  6. Step 6: Final answer
    x = 43,694.33

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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.