Home / 79,522.19-109,742.99-45,541.67

Finding the Fourth Proportional to 79,522.19, 109,742.99 and 45,541.67

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Solution

The fourth proportional to 79,522.19, 109,742.99 and 45,541.67 is: 62,848.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,522.19 : 109,742.99 = 45,541.67 : x
  2. Step 2: Convert to fraction form
    79,522.19/109,742.99 = 45,541.67/x
  3. Step 3: Cross multiply
    79,522.19x = 109,742.99 × 45,541.67
  4. Step 4: Simplify right side
    79,522.19x = 4,997,879,035.39
  5. Step 5: Solve for x
    x = 4,997,879,035.39/79,522.19
  6. Step 6: Final answer
    x = 62,848.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.