Home / 104,380.79-144,044.87-56,633.11

Finding the Fourth Proportional to 104,380.79, 144,044.87 and 56,633.11

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Solution

The fourth proportional to 104,380.79, 144,044.87 and 56,633.11 is: 78,153.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,380.79 : 144,044.87 = 56,633.11 : x
  2. Step 2: Convert to fraction form
    104,380.79/144,044.87 = 56,633.11/x
  3. Step 3: Cross multiply
    104,380.79x = 144,044.87 × 56,633.11
  4. Step 4: Simplify right side
    104,380.79x = 8,157,708,324.37
  5. Step 5: Solve for x
    x = 8,157,708,324.37/104,380.79
  6. Step 6: Final answer
    x = 78,153.35

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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.