Home / 78,194.64-117,282.48-22,038.96

Finding the Fourth Proportional to 78,194.64, 117,282.48 and 22,038.96

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Solution

The fourth proportional to 78,194.64, 117,282.48 and 22,038.96 is: 33,055.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,194.64 : 117,282.48 = 22,038.96 : x
  2. Step 2: Convert to fraction form
    78,194.64/117,282.48 = 22,038.96/x
  3. Step 3: Cross multiply
    78,194.64x = 117,282.48 × 22,038.96
  4. Step 4: Simplify right side
    78,194.64x = 2,584,783,885.42
  5. Step 5: Solve for x
    x = 2,584,783,885.42/78,194.64
  6. Step 6: Final answer
    x = 33,055.77

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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.