Home / 52,803.66-72,865.26-28,926.48

Finding the Fourth Proportional to 52,803.66, 72,865.26 and 28,926.48

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Solution

The fourth proportional to 52,803.66, 72,865.26 and 28,926.48 is: 39,916.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,803.66 : 72,865.26 = 28,926.48 : x
  2. Step 2: Convert to fraction form
    52,803.66/72,865.26 = 28,926.48/x
  3. Step 3: Cross multiply
    52,803.66x = 72,865.26 × 28,926.48
  4. Step 4: Simplify right side
    52,803.66x = 2,107,735,486.08
  5. Step 5: Solve for x
    x = 2,107,735,486.08/52,803.66
  6. Step 6: Final answer
    x = 39,916.47

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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.