Home / 116,885.40-161,303.58-66,583.32

Finding the Fourth Proportional to 116,885.40, 161,303.58 and 66,583.32

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Solution

The fourth proportional to 116,885.40, 161,303.58 and 66,583.32 is: 91,885.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,885.40 : 161,303.58 = 66,583.32 : x
  2. Step 2: Convert to fraction form
    116,885.40/161,303.58 = 66,583.32/x
  3. Step 3: Cross multiply
    116,885.40x = 161,303.58 × 66,583.32
  4. Step 4: Simplify right side
    116,885.40x = 10,740,127,884.29
  5. Step 5: Solve for x
    x = 10,740,127,884.29/116,885.40
  6. Step 6: Final answer
    x = 91,885.97

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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.