Home / 97,758.46-146,644.35-31,203.60

Finding the Fourth Proportional to 97,758.46, 146,644.35 and 31,203.60

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Solution

The fourth proportional to 97,758.46, 146,644.35 and 31,203.60 is: 46,807.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,758.46 : 146,644.35 = 31,203.60 : x
  2. Step 2: Convert to fraction form
    97,758.46/146,644.35 = 31,203.60/x
  3. Step 3: Cross multiply
    97,758.46x = 146,644.35 × 31,203.60
  4. Step 4: Simplify right side
    97,758.46x = 4,575,831,639.66
  5. Step 5: Solve for x
    x = 4,575,831,639.66/97,758.46
  6. Step 6: Final answer
    x = 46,807.53

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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.