Home / 86,935.94-119,967.44-53,395.46

Finding the Fourth Proportional to 86,935.94, 119,967.44 and 53,395.46

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Solution

The fourth proportional to 86,935.94, 119,967.44 and 53,395.46 is: 73,683.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,935.94 : 119,967.44 = 53,395.46 : x
  2. Step 2: Convert to fraction form
    86,935.94/119,967.44 = 53,395.46/x
  3. Step 3: Cross multiply
    86,935.94x = 119,967.44 × 53,395.46
  4. Step 4: Simplify right side
    86,935.94x = 6,405,716,643.82
  5. Step 5: Solve for x
    x = 6,405,716,643.82/86,935.94
  6. Step 6: Final answer
    x = 73,683.18

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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.