Home / 63,090.45-87,063.66-34,410.33

Finding the Fourth Proportional to 63,090.45, 87,063.66 and 34,410.33

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Solution

The fourth proportional to 63,090.45, 87,063.66 and 34,410.33 is: 47,485.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,090.45 : 87,063.66 = 34,410.33 : x
  2. Step 2: Convert to fraction form
    63,090.45/87,063.66 = 34,410.33/x
  3. Step 3: Cross multiply
    63,090.45x = 87,063.66 × 34,410.33
  4. Step 4: Simplify right side
    63,090.45x = 2,995,889,271.61
  5. Step 5: Solve for x
    x = 2,995,889,271.61/63,090.45
  6. Step 6: Final answer
    x = 47,485.62

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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.