Home / 97,927.20-146,939.40-55,839.60

Finding the Fourth Proportional to 97,927.20, 146,939.40 and 55,839.60

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Solution

The fourth proportional to 97,927.20, 146,939.40 and 55,839.60 is: 83,787.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,927.20 : 146,939.40 = 55,839.60 : x
  2. Step 2: Convert to fraction form
    97,927.20/146,939.40 = 55,839.60/x
  3. Step 3: Cross multiply
    97,927.20x = 146,939.40 × 55,839.60
  4. Step 4: Simplify right side
    97,927.20x = 8,205,037,320.24
  5. Step 5: Solve for x
    x = 8,205,037,320.24/97,927.20
  6. Step 6: Final answer
    x = 83,787.11

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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.