Home / 104,427.32-144,105.84-56,679.65

Finding the Fourth Proportional to 104,427.32, 144,105.84 and 56,679.65

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Solution

The fourth proportional to 104,427.32, 144,105.84 and 56,679.65 is: 78,215.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,427.32 : 144,105.84 = 56,679.65 : x
  2. Step 2: Convert to fraction form
    104,427.32/144,105.84 = 56,679.65/x
  3. Step 3: Cross multiply
    104,427.32x = 144,105.84 × 56,679.65
  4. Step 4: Simplify right side
    104,427.32x = 8,167,867,853.63
  5. Step 5: Solve for x
    x = 8,167,867,853.63/104,427.32
  6. Step 6: Final answer
    x = 78,215.82

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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.