Home / 104,666.88-144,439.92-56,919.36

Finding the Fourth Proportional to 104,666.88, 144,439.92 and 56,919.36

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Solution

The fourth proportional to 104,666.88, 144,439.92 and 56,919.36 is: 78,548.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,666.88 : 144,439.92 = 56,919.36 : x
  2. Step 2: Convert to fraction form
    104,666.88/144,439.92 = 56,919.36/x
  3. Step 3: Cross multiply
    104,666.88x = 144,439.92 × 56,919.36
  4. Step 4: Simplify right side
    104,666.88x = 8,221,427,804.85
  5. Step 5: Solve for x
    x = 8,221,427,804.85/104,666.88
  6. Step 6: Final answer
    x = 78,548.51

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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.