Home / 77,023.01-115,538.34-24,427.64

Finding the Fourth Proportional to 77,023.01, 115,538.34 and 24,427.64

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Solution

The fourth proportional to 77,023.01, 115,538.34 and 24,427.64 is: 36,642.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,023.01 : 115,538.34 = 24,427.64 : x
  2. Step 2: Convert to fraction form
    77,023.01/115,538.34 = 24,427.64/x
  3. Step 3: Cross multiply
    77,023.01x = 115,538.34 × 24,427.64
  4. Step 4: Simplify right side
    77,023.01x = 2,822,328,975.72
  5. Step 5: Solve for x
    x = 2,822,328,975.72/77,023.01
  6. Step 6: Final answer
    x = 36,642.67

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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.