Home / 78,147.74-117,097.04-50,044.67

Finding the Fourth Proportional to 78,147.74, 117,097.04 and 50,044.67

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Solution

The fourth proportional to 78,147.74, 117,097.04 and 50,044.67 is: 74,987.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,147.74 : 117,097.04 = 50,044.67 : x
  2. Step 2: Convert to fraction form
    78,147.74/117,097.04 = 50,044.67/x
  3. Step 3: Cross multiply
    78,147.74x = 117,097.04 × 50,044.67
  4. Step 4: Simplify right side
    78,147.74x = 5,860,082,724.78
  5. Step 5: Solve for x
    x = 5,860,082,724.78/78,147.74
  6. Step 6: Final answer
    x = 74,987.23

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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.