Home / 99,623.20-149,607.60-52,967.20

Finding the Fourth Proportional to 99,623.20, 149,607.60 and 52,967.20

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Solution

The fourth proportional to 99,623.20, 149,607.60 and 52,967.20 is: 79,542.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,623.20 : 149,607.60 = 52,967.20 : x
  2. Step 2: Convert to fraction form
    99,623.20/149,607.60 = 52,967.20/x
  3. Step 3: Cross multiply
    99,623.20x = 149,607.60 × 52,967.20
  4. Step 4: Simplify right side
    99,623.20x = 7,924,295,670.72
  5. Step 5: Solve for x
    x = 7,924,295,670.72/99,623.20
  6. Step 6: Final answer
    x = 79,542.67

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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.