Home / 57,402.08-79,214.81-31,907.66

Finding the Fourth Proportional to 57,402.08, 79,214.81 and 31,907.66

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Solution

The fourth proportional to 57,402.08, 79,214.81 and 31,907.66 is: 44,032.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,402.08 : 79,214.81 = 31,907.66 : x
  2. Step 2: Convert to fraction form
    57,402.08/79,214.81 = 31,907.66/x
  3. Step 3: Cross multiply
    57,402.08x = 79,214.81 × 31,907.66
  4. Step 4: Simplify right side
    57,402.08x = 2,527,559,224.44
  5. Step 5: Solve for x
    x = 2,527,559,224.44/57,402.08
  6. Step 6: Final answer
    x = 44,032.54

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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.