Home / 51,909.44-71,578.08-35,113.28

Finding the Fourth Proportional to 51,909.44, 71,578.08 and 35,113.28

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Solution

The fourth proportional to 51,909.44, 71,578.08 and 35,113.28 is: 48,417.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,909.44 : 71,578.08 = 35,113.28 : x
  2. Step 2: Convert to fraction form
    51,909.44/71,578.08 = 35,113.28/x
  3. Step 3: Cross multiply
    51,909.44x = 71,578.08 × 35,113.28
  4. Step 4: Simplify right side
    51,909.44x = 2,513,341,164.90
  5. Step 5: Solve for x
    x = 2,513,341,164.90/51,909.44
  6. Step 6: Final answer
    x = 48,417.81

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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.