Home / 99,176.79-148,736.93-28,094.73

Finding the Fourth Proportional to 99,176.79, 148,736.93 and 28,094.73

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Solution

The fourth proportional to 99,176.79, 148,736.93 and 28,094.73 is: 42,134.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,176.79 : 148,736.93 = 28,094.73 : x
  2. Step 2: Convert to fraction form
    99,176.79/148,736.93 = 28,094.73/x
  3. Step 3: Cross multiply
    99,176.79x = 148,736.93 × 28,094.73
  4. Step 4: Simplify right side
    99,176.79x = 4,178,723,748.91
  5. Step 5: Solve for x
    x = 4,178,723,748.91/99,176.79
  6. Step 6: Final answer
    x = 42,134.09

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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.