Home / 86,912.46-130,427.08-30,752.33

Finding the Fourth Proportional to 86,912.46, 130,427.08 and 30,752.33

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Solution

The fourth proportional to 86,912.46, 130,427.08 and 30,752.33 is: 46,149.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,912.46 : 130,427.08 = 30,752.33 : x
  2. Step 2: Convert to fraction form
    86,912.46/130,427.08 = 30,752.33/x
  3. Step 3: Cross multiply
    86,912.46x = 130,427.08 × 30,752.33
  4. Step 4: Simplify right side
    86,912.46x = 4,010,935,876.08
  5. Step 5: Solve for x
    x = 4,010,935,876.08/86,912.46
  6. Step 6: Final answer
    x = 46,149.15

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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.