Home / 104,666.49-144,439.06-56,919.73

Finding the Fourth Proportional to 104,666.49, 144,439.06 and 56,919.73

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Solution

The fourth proportional to 104,666.49, 144,439.06 and 56,919.73 is: 78,548.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,666.49 : 144,439.06 = 56,919.73 : x
  2. Step 2: Convert to fraction form
    104,666.49/144,439.06 = 56,919.73/x
  3. Step 3: Cross multiply
    104,666.49x = 144,439.06 × 56,919.73
  4. Step 4: Simplify right side
    104,666.49x = 8,221,432,296.65
  5. Step 5: Solve for x
    x = 8,221,432,296.65/104,666.49
  6. Step 6: Final answer
    x = 78,548.85

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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.