Home / 86,435.24-119,313.44-58,157.36

Finding the Fourth Proportional to 86,435.24, 119,313.44 and 58,157.36

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Solution

The fourth proportional to 86,435.24, 119,313.44 and 58,157.36 is: 80,279.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,435.24 : 119,313.44 = 58,157.36 : x
  2. Step 2: Convert to fraction form
    86,435.24/119,313.44 = 58,157.36/x
  3. Step 3: Cross multiply
    86,435.24x = 119,313.44 × 58,157.36
  4. Step 4: Simplify right side
    86,435.24x = 6,938,954,682.92
  5. Step 5: Solve for x
    x = 6,938,954,682.92/86,435.24
  6. Step 6: Final answer
    x = 80,279.23

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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.