Home / 97,734.72-146,541.60-66,475.20

Finding the Fourth Proportional to 97,734.72, 146,541.60 and 66,475.20

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Solution

The fourth proportional to 97,734.72, 146,541.60 and 66,475.20 is: 99,671.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,734.72 : 146,541.60 = 66,475.20 : x
  2. Step 2: Convert to fraction form
    97,734.72/146,541.60 = 66,475.20/x
  3. Step 3: Cross multiply
    97,734.72x = 146,541.60 × 66,475.20
  4. Step 4: Simplify right side
    97,734.72x = 9,741,382,168.32
  5. Step 5: Solve for x
    x = 9,741,382,168.32/97,734.72
  6. Step 6: Final answer
    x = 99,671.66

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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.