Home / 55,858.06-77,085.44-30,365.88

Finding the Fourth Proportional to 55,858.06, 77,085.44 and 30,365.88

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Solution

The fourth proportional to 55,858.06, 77,085.44 and 30,365.88 is: 41,905.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,858.06 : 77,085.44 = 30,365.88 : x
  2. Step 2: Convert to fraction form
    55,858.06/77,085.44 = 30,365.88/x
  3. Step 3: Cross multiply
    55,858.06x = 77,085.44 × 30,365.88
  4. Step 4: Simplify right side
    55,858.06x = 2,340,767,220.79
  5. Step 5: Solve for x
    x = 2,340,767,220.79/55,858.06
  6. Step 6: Final answer
    x = 41,905.63

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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.