Home / 53,090.35-79,541.97-28,075.12

Finding the Fourth Proportional to 53,090.35, 79,541.97 and 28,075.12

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Solution

The fourth proportional to 53,090.35, 79,541.97 and 28,075.12 is: 42,063.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,090.35 : 79,541.97 = 28,075.12 : x
  2. Step 2: Convert to fraction form
    53,090.35/79,541.97 = 28,075.12/x
  3. Step 3: Cross multiply
    53,090.35x = 79,541.97 × 28,075.12
  4. Step 4: Simplify right side
    53,090.35x = 2,233,150,352.79
  5. Step 5: Solve for x
    x = 2,233,150,352.79/53,090.35
  6. Step 6: Final answer
    x = 42,063.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.