Home / 97,881.20-146,870.40-55,793.60

Finding the Fourth Proportional to 97,881.20, 146,870.40 and 55,793.60

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Solution

The fourth proportional to 97,881.20, 146,870.40 and 55,793.60 is: 83,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,881.20 : 146,870.40 = 55,793.60 : x
  2. Step 2: Convert to fraction form
    97,881.20/146,870.40 = 55,793.60/x
  3. Step 3: Cross multiply
    97,881.20x = 146,870.40 × 55,793.60
  4. Step 4: Simplify right side
    97,881.20x = 8,194,428,349.44
  5. Step 5: Solve for x
    x = 8,194,428,349.44/97,881.20
  6. Step 6: Final answer
    x = 83,718.10

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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.