Home / 86,459.04-119,343.24-50,660.64

Finding the Fourth Proportional to 86,459.04, 119,343.24 and 50,660.64

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Solution

The fourth proportional to 86,459.04, 119,343.24 and 50,660.64 is: 69,929.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,459.04 : 119,343.24 = 50,660.64 : x
  2. Step 2: Convert to fraction form
    86,459.04/119,343.24 = 50,660.64/x
  3. Step 3: Cross multiply
    86,459.04x = 119,343.24 × 50,660.64
  4. Step 4: Simplify right side
    86,459.04x = 6,046,004,918.07
  5. Step 5: Solve for x
    x = 6,046,004,918.07/86,459.04
  6. Step 6: Final answer
    x = 69,929.12

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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.