Home / 99,144.46-148,697.79-28,066.51

Finding the Fourth Proportional to 99,144.46, 148,697.79 and 28,066.51

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Solution

The fourth proportional to 99,144.46, 148,697.79 and 28,066.51 is: 42,094.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,144.46 : 148,697.79 = 28,066.51 : x
  2. Step 2: Convert to fraction form
    99,144.46/148,697.79 = 28,066.51/x
  3. Step 3: Cross multiply
    99,144.46x = 148,697.79 × 28,066.51
  4. Step 4: Simplify right side
    99,144.46x = 4,173,428,010.01
  5. Step 5: Solve for x
    x = 4,173,428,010.01/99,144.46
  6. Step 6: Final answer
    x = 42,094.41

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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.