Home / 89,114.10-122,977.44-53,312.54

Finding the Fourth Proportional to 89,114.10, 122,977.44 and 53,312.54

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Solution

The fourth proportional to 89,114.10, 122,977.44 and 53,312.54 is: 73,571.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,114.10 : 122,977.44 = 53,312.54 : x
  2. Step 2: Convert to fraction form
    89,114.10/122,977.44 = 53,312.54/x
  3. Step 3: Cross multiply
    89,114.10x = 122,977.44 × 53,312.54
  4. Step 4: Simplify right side
    89,114.10x = 6,556,239,074.21
  5. Step 5: Solve for x
    x = 6,556,239,074.21/89,114.10
  6. Step 6: Final answer
    x = 73,571.29

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1.5x scale

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.