Home / 97,427.80-146,141.70-55,840.60

Finding the Fourth Proportional to 97,427.80, 146,141.70 and 55,840.60

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Solution

The fourth proportional to 97,427.80, 146,141.70 and 55,840.60 is: 83,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,427.80 : 146,141.70 = 55,840.60 : x
  2. Step 2: Convert to fraction form
    97,427.80/146,141.70 = 55,840.60/x
  3. Step 3: Cross multiply
    97,427.80x = 146,141.70 × 55,840.60
  4. Step 4: Simplify right side
    97,427.80x = 8,160,640,213.02
  5. Step 5: Solve for x
    x = 8,160,640,213.02/97,427.80
  6. Step 6: Final answer
    x = 83,760.90

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1.5x scale

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.