Home / 53,322.45-79,956.81-17,771.16

Finding the Fourth Proportional to 53,322.45, 79,956.81 and 17,771.16

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Solution

The fourth proportional to 53,322.45, 79,956.81 and 17,771.16 is: 26,647.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,322.45 : 79,956.81 = 17,771.16 : x
  2. Step 2: Convert to fraction form
    53,322.45/79,956.81 = 17,771.16/x
  3. Step 3: Cross multiply
    53,322.45x = 79,956.81 × 17,771.16
  4. Step 4: Simplify right side
    53,322.45x = 1,420,925,263.60
  5. Step 5: Solve for x
    x = 1,420,925,263.60/53,322.45
  6. Step 6: Final answer
    x = 26,647.79

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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.