Home / 78,119.17-117,184.84-25,533.97

Finding the Fourth Proportional to 78,119.17, 117,184.84 and 25,533.97

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Solution

The fourth proportional to 78,119.17, 117,184.84 and 25,533.97 is: 38,302.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,119.17 : 117,184.84 = 25,533.97 : x
  2. Step 2: Convert to fraction form
    78,119.17/117,184.84 = 25,533.97/x
  3. Step 3: Cross multiply
    78,119.17x = 117,184.84 × 25,533.97
  4. Step 4: Simplify right side
    78,119.17x = 2,992,193,832.22
  5. Step 5: Solve for x
    x = 2,992,193,832.22/78,119.17
  6. Step 6: Final answer
    x = 38,302.94

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1.5x scale

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.