Home / 104,119.47-143,684.21-56,372.67

Finding the Fourth Proportional to 104,119.47, 143,684.21 and 56,372.67

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Solution

The fourth proportional to 104,119.47, 143,684.21 and 56,372.67 is: 77,793.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,119.47 : 143,684.21 = 56,372.67 : x
  2. Step 2: Convert to fraction form
    104,119.47/143,684.21 = 56,372.67/x
  3. Step 3: Cross multiply
    104,119.47x = 143,684.21 × 56,372.67
  4. Step 4: Simplify right side
    104,119.47x = 8,099,862,695.47
  5. Step 5: Solve for x
    x = 8,099,862,695.47/104,119.47
  6. Step 6: Final answer
    x = 77,793.93

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1.5x scale

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.