Home / 78,000.75-117,018.63-24,695.92

Finding the Fourth Proportional to 78,000.75, 117,018.63 and 24,695.92

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Solution

The fourth proportional to 78,000.75, 117,018.63 and 24,695.92 is: 37,049.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,000.75 : 117,018.63 = 24,695.92 : x
  2. Step 2: Convert to fraction form
    78,000.75/117,018.63 = 24,695.92/x
  3. Step 3: Cross multiply
    78,000.75x = 117,018.63 × 24,695.92
  4. Step 4: Simplify right side
    78,000.75x = 2,889,882,724.99
  5. Step 5: Solve for x
    x = 2,889,882,724.99/78,000.75
  6. Step 6: Final answer
    x = 37,049.42

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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.