Home / 55,583.68-76,749.72-51,333.18

Finding the Fourth Proportional to 55,583.68, 76,749.72 and 51,333.18

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Solution

The fourth proportional to 55,583.68, 76,749.72 and 51,333.18 is: 70,880.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,583.68 : 76,749.72 = 51,333.18 : x
  2. Step 2: Convert to fraction form
    55,583.68/76,749.72 = 51,333.18/x
  3. Step 3: Cross multiply
    55,583.68x = 76,749.72 × 51,333.18
  4. Step 4: Simplify right side
    55,583.68x = 3,939,807,191.71
  5. Step 5: Solve for x
    x = 3,939,807,191.71/55,583.68
  6. Step 6: Final answer
    x = 70,880.65

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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.