Home / 90,845.02-136,272.03-34,674.58

Finding the Fourth Proportional to 90,845.02, 136,272.03 and 34,674.58

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Solution

The fourth proportional to 90,845.02, 136,272.03 and 34,674.58 is: 52,013.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,845.02 : 136,272.03 = 34,674.58 : x
  2. Step 2: Convert to fraction form
    90,845.02/136,272.03 = 34,674.58/x
  3. Step 3: Cross multiply
    90,845.02x = 136,272.03 × 34,674.58
  4. Step 4: Simplify right side
    90,845.02x = 4,725,175,406.00
  5. Step 5: Solve for x
    x = 4,725,175,406.00/90,845.02
  6. Step 6: Final answer
    x = 52,013.59

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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.