Home / 74,467.40-111,701.10-61,334.60

Finding the Fourth Proportional to 74,467.40, 111,701.10 and 61,334.60

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Solution

The fourth proportional to 74,467.40, 111,701.10 and 61,334.60 is: 92,001.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,467.40 : 111,701.10 = 61,334.60 : x
  2. Step 2: Convert to fraction form
    74,467.40/111,701.10 = 61,334.60/x
  3. Step 3: Cross multiply
    74,467.40x = 111,701.10 × 61,334.60
  4. Step 4: Simplify right side
    74,467.40x = 6,851,142,288.06
  5. Step 5: Solve for x
    x = 6,851,142,288.06/74,467.40
  6. Step 6: Final answer
    x = 92,001.90

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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.