Home / 51,091.02-70,505.64-28,432.08

Finding the Fourth Proportional to 51,091.02, 70,505.64 and 28,432.08

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Solution

The fourth proportional to 51,091.02, 70,505.64 and 28,432.08 is: 39,236.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,091.02 : 70,505.64 = 28,432.08 : x
  2. Step 2: Convert to fraction form
    51,091.02/70,505.64 = 28,432.08/x
  3. Step 3: Cross multiply
    51,091.02x = 70,505.64 × 28,432.08
  4. Step 4: Simplify right side
    51,091.02x = 2,004,621,996.93
  5. Step 5: Solve for x
    x = 2,004,621,996.93/51,091.02
  6. Step 6: Final answer
    x = 39,236.29

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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.