Home / 98,028.54-135,283.23-55,595.34

Finding the Fourth Proportional to 98,028.54, 135,283.23 and 55,595.34

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Solution

The fourth proportional to 98,028.54, 135,283.23 and 55,595.34 is: 76,723.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,028.54 : 135,283.23 = 55,595.34 : x
  2. Step 2: Convert to fraction form
    98,028.54/135,283.23 = 55,595.34/x
  3. Step 3: Cross multiply
    98,028.54x = 135,283.23 × 55,595.34
  4. Step 4: Simplify right side
    98,028.54x = 7,521,117,168.15
  5. Step 5: Solve for x
    x = 7,521,117,168.15/98,028.54
  6. Step 6: Final answer
    x = 76,723.75

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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.