Home / 104,420.29-144,096.34-56,672.68

Finding the Fourth Proportional to 104,420.29, 144,096.34 and 56,672.68

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Solution

The fourth proportional to 104,420.29, 144,096.34 and 56,672.68 is: 78,206.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,420.29 : 144,096.34 = 56,672.68 : x
  2. Step 2: Convert to fraction form
    104,420.29/144,096.34 = 56,672.68/x
  3. Step 3: Cross multiply
    104,420.29x = 144,096.34 × 56,672.68
  4. Step 4: Simplify right side
    104,420.29x = 8,166,325,765.99
  5. Step 5: Solve for x
    x = 8,166,325,765.99/104,420.29
  6. Step 6: Final answer
    x = 78,206.31

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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.