Home / 97,724.40-146,500.20-58,239.60

Finding the Fourth Proportional to 97,724.40, 146,500.20 and 58,239.60

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Solution

The fourth proportional to 97,724.40, 146,500.20 and 58,239.60 is: 87,307.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,724.40 : 146,500.20 = 58,239.60 : x
  2. Step 2: Convert to fraction form
    97,724.40/146,500.20 = 58,239.60/x
  3. Step 3: Cross multiply
    97,724.40x = 146,500.20 × 58,239.60
  4. Step 4: Simplify right side
    97,724.40x = 8,532,113,047.92
  5. Step 5: Solve for x
    x = 8,532,113,047.92/97,724.40
  6. Step 6: Final answer
    x = 87,307.91

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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.