Home / 51,386.56-77,078.72-23,684.56

Finding the Fourth Proportional to 51,386.56, 77,078.72 and 23,684.56

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Solution

The fourth proportional to 51,386.56, 77,078.72 and 23,684.56 is: 35,526.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,386.56 : 77,078.72 = 23,684.56 : x
  2. Step 2: Convert to fraction form
    51,386.56/77,078.72 = 23,684.56/x
  3. Step 3: Cross multiply
    51,386.56x = 77,078.72 × 23,684.56
  4. Step 4: Simplify right side
    51,386.56x = 1,825,575,568.56
  5. Step 5: Solve for x
    x = 1,825,575,568.56/51,386.56
  6. Step 6: Final answer
    x = 35,526.32

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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.