Home / 97,907.88-135,110.34-55,465.32

Finding the Fourth Proportional to 97,907.88, 135,110.34 and 55,465.32

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Solution

The fourth proportional to 97,907.88, 135,110.34 and 55,465.32 is: 76,540.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,907.88 : 135,110.34 = 55,465.32 : x
  2. Step 2: Convert to fraction form
    97,907.88/135,110.34 = 55,465.32/x
  3. Step 3: Cross multiply
    97,907.88x = 135,110.34 × 55,465.32
  4. Step 4: Simplify right side
    97,907.88x = 7,493,938,243.41
  5. Step 5: Solve for x
    x = 7,493,938,243.41/97,907.88
  6. Step 6: Final answer
    x = 76,540.71

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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.