Home / 107,681.89-161,522.83-28,794.07

Finding the Fourth Proportional to 107,681.89, 161,522.83 and 28,794.07

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Solution

The fourth proportional to 107,681.89, 161,522.83 and 28,794.07 is: 43,191.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,681.89 : 161,522.83 = 28,794.07 : x
  2. Step 2: Convert to fraction form
    107,681.89/161,522.83 = 28,794.07/x
  3. Step 3: Cross multiply
    107,681.89x = 161,522.83 × 28,794.07
  4. Step 4: Simplify right side
    107,681.89x = 4,650,899,161.83
  5. Step 5: Solve for x
    x = 4,650,899,161.83/107,681.89
  6. Step 6: Final answer
    x = 43,191.10

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1.5x scale

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.