Home / 104,479.16-144,181.80-56,732.49

Finding the Fourth Proportional to 104,479.16, 144,181.80 and 56,732.49

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Solution

The fourth proportional to 104,479.16, 144,181.80 and 56,732.49 is: 78,291.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,479.16 : 144,181.80 = 56,732.49 : x
  2. Step 2: Convert to fraction form
    104,479.16/144,181.80 = 56,732.49/x
  3. Step 3: Cross multiply
    104,479.16x = 144,181.80 × 56,732.49
  4. Step 4: Simplify right side
    104,479.16x = 8,179,792,526.68
  5. Step 5: Solve for x
    x = 8,179,792,526.68/104,479.16
  6. Step 6: Final answer
    x = 78,291.14

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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.