Home / 89,922.15-134,870.47-30,749.22

Finding the Fourth Proportional to 89,922.15, 134,870.47 and 30,749.22

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Solution

The fourth proportional to 89,922.15, 134,870.47 and 30,749.22 is: 46,119.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,922.15 : 134,870.47 = 30,749.22 : x
  2. Step 2: Convert to fraction form
    89,922.15/134,870.47 = 30,749.22/x
  3. Step 3: Cross multiply
    89,922.15x = 134,870.47 × 30,749.22
  4. Step 4: Simplify right side
    89,922.15x = 4,147,161,676.66
  5. Step 5: Solve for x
    x = 4,147,161,676.66/89,922.15
  6. Step 6: Final answer
    x = 46,119.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.