Home / 57,147.34-78,852.12-35,914.34

Finding the Fourth Proportional to 57,147.34, 78,852.12 and 35,914.34

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Solution

The fourth proportional to 57,147.34, 78,852.12 and 35,914.34 is: 49,554.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,147.34 : 78,852.12 = 35,914.34 : x
  2. Step 2: Convert to fraction form
    57,147.34/78,852.12 = 35,914.34/x
  3. Step 3: Cross multiply
    57,147.34x = 78,852.12 × 35,914.34
  4. Step 4: Simplify right side
    57,147.34x = 2,831,921,453.14
  5. Step 5: Solve for x
    x = 2,831,921,453.14/57,147.34
  6. Step 6: Final answer
    x = 49,554.74

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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.