Home / 86,716.75-119,669.12-46,972.75

Finding the Fourth Proportional to 86,716.75, 119,669.12 and 46,972.75

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Solution

The fourth proportional to 86,716.75, 119,669.12 and 46,972.75 is: 64,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,716.75 : 119,669.12 = 46,972.75 : x
  2. Step 2: Convert to fraction form
    86,716.75/119,669.12 = 46,972.75/x
  3. Step 3: Cross multiply
    86,716.75x = 119,669.12 × 46,972.75
  4. Step 4: Simplify right side
    86,716.75x = 5,621,187,656.48
  5. Step 5: Solve for x
    x = 5,621,187,656.48/86,716.75
  6. Step 6: Final answer
    x = 64,822.40

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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.