Home / 107,445.42-161,167.94-28,559.64

Finding the Fourth Proportional to 107,445.42, 161,167.94 and 28,559.64

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Solution

The fourth proportional to 107,445.42, 161,167.94 and 28,559.64 is: 42,839.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,445.42 : 161,167.94 = 28,559.64 : x
  2. Step 2: Convert to fraction form
    107,445.42/161,167.94 = 28,559.64/x
  3. Step 3: Cross multiply
    107,445.42x = 161,167.94 × 28,559.64
  4. Step 4: Simplify right side
    107,445.42x = 4,602,898,345.94
  5. Step 5: Solve for x
    x = 4,602,898,345.94/107,445.42
  6. Step 6: Final answer
    x = 42,839.41

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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.