Home / 86,551.24-129,831.59-27,382.51

Finding the Fourth Proportional to 86,551.24, 129,831.59 and 27,382.51

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Solution

The fourth proportional to 86,551.24, 129,831.59 and 27,382.51 is: 41,075.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,551.24 : 129,831.59 = 27,382.51 : x
  2. Step 2: Convert to fraction form
    86,551.24/129,831.59 = 27,382.51/x
  3. Step 3: Cross multiply
    86,551.24x = 129,831.59 × 27,382.51
  4. Step 4: Simplify right side
    86,551.24x = 3,555,114,811.49
  5. Step 5: Solve for x
    x = 3,555,114,811.49/86,551.24
  6. Step 6: Final answer
    x = 41,075.26

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1.5x scale

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.