Home / 74,533.80-111,803.40-21,948.60

Finding the Fourth Proportional to 74,533.80, 111,803.40 and 21,948.60

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Solution

The fourth proportional to 74,533.80, 111,803.40 and 21,948.60 is: 32,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,533.80 : 111,803.40 = 21,948.60 : x
  2. Step 2: Convert to fraction form
    74,533.80/111,803.40 = 21,948.60/x
  3. Step 3: Cross multiply
    74,533.80x = 111,803.40 × 21,948.60
  4. Step 4: Simplify right side
    74,533.80x = 2,453,928,105.24
  5. Step 5: Solve for x
    x = 2,453,928,105.24/74,533.80
  6. Step 6: Final answer
    x = 32,923.70

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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.