Home / 54,820.06-75,647.46-30,949.09

Finding the Fourth Proportional to 54,820.06, 75,647.46 and 30,949.09

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Solution

The fourth proportional to 54,820.06, 75,647.46 and 30,949.09 is: 42,707.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,820.06 : 75,647.46 = 30,949.09 : x
  2. Step 2: Convert to fraction form
    54,820.06/75,647.46 = 30,949.09/x
  3. Step 3: Cross multiply
    54,820.06x = 75,647.46 × 30,949.09
  4. Step 4: Simplify right side
    54,820.06x = 2,341,220,047.81
  5. Step 5: Solve for x
    x = 2,341,220,047.81/54,820.06
  6. Step 6: Final answer
    x = 42,707.36

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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.