Home / 78,030.08-116,989.23-33,054.47

Finding the Fourth Proportional to 78,030.08, 116,989.23 and 33,054.47

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Solution

The fourth proportional to 78,030.08, 116,989.23 and 33,054.47 is: 49,558.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,030.08 : 116,989.23 = 33,054.47 : x
  2. Step 2: Convert to fraction form
    78,030.08/116,989.23 = 33,054.47/x
  3. Step 3: Cross multiply
    78,030.08x = 116,989.23 × 33,054.47
  4. Step 4: Simplify right side
    78,030.08x = 3,867,016,993.36
  5. Step 5: Solve for x
    x = 3,867,016,993.36/78,030.08
  6. Step 6: Final answer
    x = 49,558.03

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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.