Home / 55,621.80-83,432.70-33,460.20

Finding the Fourth Proportional to 55,621.80, 83,432.70 and 33,460.20

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Solution

The fourth proportional to 55,621.80, 83,432.70 and 33,460.20 is: 50,190.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,621.80 : 83,432.70 = 33,460.20 : x
  2. Step 2: Convert to fraction form
    55,621.80/83,432.70 = 33,460.20/x
  3. Step 3: Cross multiply
    55,621.80x = 83,432.70 × 33,460.20
  4. Step 4: Simplify right side
    55,621.80x = 2,791,674,828.54
  5. Step 5: Solve for x
    x = 2,791,674,828.54/55,621.80
  6. Step 6: Final answer
    x = 50,190.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.