Home / 109,485.26-151,094.84-61,737.58

Finding the Fourth Proportional to 109,485.26, 151,094.84 and 61,737.58

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Solution

The fourth proportional to 109,485.26, 151,094.84 and 61,737.58 is: 85,200.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,485.26 : 151,094.84 = 61,737.58 : x
  2. Step 2: Convert to fraction form
    109,485.26/151,094.84 = 61,737.58/x
  3. Step 3: Cross multiply
    109,485.26x = 151,094.84 × 61,737.58
  4. Step 4: Simplify right side
    109,485.26x = 9,328,229,772.09
  5. Step 5: Solve for x
    x = 9,328,229,772.09/109,485.26
  6. Step 6: Final answer
    x = 85,200.78

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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.