Home / 50,827.11-70,140.37-28,165.90

Finding the Fourth Proportional to 50,827.11, 70,140.37 and 28,165.90

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Solution

The fourth proportional to 50,827.11, 70,140.37 and 28,165.90 is: 38,868.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,827.11 : 70,140.37 = 28,165.90 : x
  2. Step 2: Convert to fraction form
    50,827.11/70,140.37 = 28,165.90/x
  3. Step 3: Cross multiply
    50,827.11x = 70,140.37 × 28,165.90
  4. Step 4: Simplify right side
    50,827.11x = 1,975,566,647.38
  5. Step 5: Solve for x
    x = 1,975,566,647.38/50,827.11
  6. Step 6: Final answer
    x = 38,868.36

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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.