Home / 104,431.44-144,115.55-56,684.82

Finding the Fourth Proportional to 104,431.44, 144,115.55 and 56,684.82

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Solution

The fourth proportional to 104,431.44, 144,115.55 and 56,684.82 is: 78,225.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,431.44 : 144,115.55 = 56,684.82 : x
  2. Step 2: Convert to fraction form
    104,431.44/144,115.55 = 56,684.82/x
  3. Step 3: Cross multiply
    104,431.44x = 144,115.55 × 56,684.82
  4. Step 4: Simplify right side
    104,431.44x = 8,169,163,727.53
  5. Step 5: Solve for x
    x = 8,169,163,727.53/104,431.44
  6. Step 6: Final answer
    x = 78,225.14

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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.