Home / 86,723.36-119,677.84-46,979.36

Finding the Fourth Proportional to 86,723.36, 119,677.84 and 46,979.36

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Solution

The fourth proportional to 86,723.36, 119,677.84 and 46,979.36 is: 64,831.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,723.36 : 119,677.84 = 46,979.36 : x
  2. Step 2: Convert to fraction form
    86,723.36/119,677.84 = 46,979.36/x
  3. Step 3: Cross multiply
    86,723.36x = 119,677.84 × 46,979.36
  4. Step 4: Simplify right side
    86,723.36x = 5,622,388,329.38
  5. Step 5: Solve for x
    x = 5,622,388,329.38/86,723.36
  6. Step 6: Final answer
    x = 64,831.30

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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.