Home / 79,524.78-109,728.43-45,544.06

Finding the Fourth Proportional to 79,524.78, 109,728.43 and 45,544.06

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Solution

The fourth proportional to 79,524.78, 109,728.43 and 45,544.06 is: 62,841.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,524.78 : 109,728.43 = 45,544.06 : x
  2. Step 2: Convert to fraction form
    79,524.78/109,728.43 = 45,544.06/x
  3. Step 3: Cross multiply
    79,524.78x = 109,728.43 × 45,544.06
  4. Step 4: Simplify right side
    79,524.78x = 4,997,478,199.63
  5. Step 5: Solve for x
    x = 4,997,478,199.63/79,524.78
  6. Step 6: Final answer
    x = 62,841.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.