Home / 101,219.02-151,921.08-51,333.52

Finding the Fourth Proportional to 101,219.02, 151,921.08 and 51,333.52

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Solution

The fourth proportional to 101,219.02, 151,921.08 and 51,333.52 is: 77,047.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,219.02 : 151,921.08 = 51,333.52 : x
  2. Step 2: Convert to fraction form
    101,219.02/151,921.08 = 51,333.52/x
  3. Step 3: Cross multiply
    101,219.02x = 151,921.08 × 51,333.52
  4. Step 4: Simplify right side
    101,219.02x = 7,798,643,798.60
  5. Step 5: Solve for x
    x = 7,798,643,798.60/101,219.02
  6. Step 6: Final answer
    x = 77,047.22

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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.