Home / 89,114.22-122,977.56-53,312.64

Finding the Fourth Proportional to 89,114.22, 122,977.56 and 53,312.64

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Solution

The fourth proportional to 89,114.22, 122,977.56 and 53,312.64 is: 73,571.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,114.22 : 122,977.56 = 53,312.64 : x
  2. Step 2: Convert to fraction form
    89,114.22/122,977.56 = 53,312.64/x
  3. Step 3: Cross multiply
    89,114.22x = 122,977.56 × 53,312.64
  4. Step 4: Simplify right side
    89,114.22x = 6,556,258,384.36
  5. Step 5: Solve for x
    x = 6,556,258,384.36/89,114.22
  6. Step 6: Final answer
    x = 73,571.41

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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.