Home / 66,864.02-100,228.52-41,921.60

Finding the Fourth Proportional to 66,864.02, 100,228.52 and 41,921.60

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Solution

The fourth proportional to 66,864.02, 100,228.52 and 41,921.60 is: 62,840.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,864.02 : 100,228.52 = 41,921.60 : x
  2. Step 2: Convert to fraction form
    66,864.02/100,228.52 = 41,921.60/x
  3. Step 3: Cross multiply
    66,864.02x = 100,228.52 × 41,921.60
  4. Step 4: Simplify right side
    66,864.02x = 4,201,739,924.03
  5. Step 5: Solve for x
    x = 4,201,739,924.03/66,864.02
  6. Step 6: Final answer
    x = 62,840.07

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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.