Home / 70,342.64-97,075.16-38,511.44

Finding the Fourth Proportional to 70,342.64, 97,075.16 and 38,511.44

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Solution

The fourth proportional to 70,342.64, 97,075.16 and 38,511.44 is: 53,147.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,342.64 : 97,075.16 = 38,511.44 : x
  2. Step 2: Convert to fraction form
    70,342.64/97,075.16 = 38,511.44/x
  3. Step 3: Cross multiply
    70,342.64x = 97,075.16 × 38,511.44
  4. Step 4: Simplify right side
    70,342.64x = 3,738,504,199.83
  5. Step 5: Solve for x
    x = 3,738,504,199.83/70,342.64
  6. Step 6: Final answer
    x = 53,147.06

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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.