Home / 86,208.20-119,042.07-63,586.40

Finding the Fourth Proportional to 86,208.20, 119,042.07 and 63,586.40

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Solution

The fourth proportional to 86,208.20, 119,042.07 and 63,586.40 is: 87,804.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,208.20 : 119,042.07 = 63,586.40 : x
  2. Step 2: Convert to fraction form
    86,208.20/119,042.07 = 63,586.40/x
  3. Step 3: Cross multiply
    86,208.20x = 119,042.07 × 63,586.40
  4. Step 4: Simplify right side
    86,208.20x = 7,569,456,679.85
  5. Step 5: Solve for x
    x = 7,569,456,679.85/86,208.20
  6. Step 6: Final answer
    x = 87,804.37

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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.