Home / 51,729.96-77,580.78-14,281.08

Finding the Fourth Proportional to 51,729.96, 77,580.78 and 14,281.08

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Solution

The fourth proportional to 51,729.96, 77,580.78 and 14,281.08 is: 21,417.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,729.96 : 77,580.78 = 14,281.08 : x
  2. Step 2: Convert to fraction form
    51,729.96/77,580.78 = 14,281.08/x
  3. Step 3: Cross multiply
    51,729.96x = 77,580.78 × 14,281.08
  4. Step 4: Simplify right side
    51,729.96x = 1,107,937,325.64
  5. Step 5: Solve for x
    x = 1,107,937,325.64/51,729.96
  6. Step 6: Final answer
    x = 21,417.71

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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.