Home / 44,742.75-67,114.53-13,578

Finding the Fourth Proportional to 44,742.75, 67,114.53 and 13,578

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Solution

The fourth proportional to 44,742.75, 67,114.53 and 13,578 is: 20,367.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,742.75 : 67,114.53 = 13,578 : x
  2. Step 2: Convert to fraction form
    44,742.75/67,114.53 = 13,578/x
  3. Step 3: Cross multiply
    44,742.75x = 67,114.53 × 13,578
  4. Step 4: Simplify right side
    44,742.75x = 911,281,088.34
  5. Step 5: Solve for x
    x = 911,281,088.34/44,742.75
  6. Step 6: Final answer
    x = 20,367.12

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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.