Home / 107,051.12-160,489.16-40,453.52

Finding the Fourth Proportional to 107,051.12, 160,489.16 and 40,453.52

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Solution

The fourth proportional to 107,051.12, 160,489.16 and 40,453.52 is: 60,647.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,051.12 : 160,489.16 = 40,453.52 : x
  2. Step 2: Convert to fraction form
    107,051.12/160,489.16 = 40,453.52/x
  3. Step 3: Cross multiply
    107,051.12x = 160,489.16 × 40,453.52
  4. Step 4: Simplify right side
    107,051.12x = 6,492,351,443.84
  5. Step 5: Solve for x
    x = 6,492,351,443.84/107,051.12
  6. Step 6: Final answer
    x = 60,647.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.