Home / 90,204.54-124,584.60-61,475.01

Finding the Fourth Proportional to 90,204.54, 124,584.60 and 61,475.01

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Solution

The fourth proportional to 90,204.54, 124,584.60 and 61,475.01 is: 84,905.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,204.54 : 124,584.60 = 61,475.01 : x
  2. Step 2: Convert to fraction form
    90,204.54/124,584.60 = 61,475.01/x
  3. Step 3: Cross multiply
    90,204.54x = 124,584.60 × 61,475.01
  4. Step 4: Simplify right side
    90,204.54x = 7,658,839,530.85
  5. Step 5: Solve for x
    x = 7,658,839,530.85/90,204.54
  6. Step 6: Final answer
    x = 84,905.26

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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.