Home / 77,455.32-116,187.30-22,047

Finding the Fourth Proportional to 77,455.32, 116,187.30 and 22,047

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Solution

The fourth proportional to 77,455.32, 116,187.30 and 22,047 is: 33,071.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,455.32 : 116,187.30 = 22,047 : x
  2. Step 2: Convert to fraction form
    77,455.32/116,187.30 = 22,047/x
  3. Step 3: Cross multiply
    77,455.32x = 116,187.30 × 22,047
  4. Step 4: Simplify right side
    77,455.32x = 2,561,581,403.10
  5. Step 5: Solve for x
    x = 2,561,581,403.10/77,455.32
  6. Step 6: Final answer
    x = 33,071.73

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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.