Home / 58,145.90-87,163.47-18,675.32

Finding the Fourth Proportional to 58,145.90, 87,163.47 and 18,675.32

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Solution

The fourth proportional to 58,145.90, 87,163.47 and 18,675.32 is: 27,995.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,145.90 : 87,163.47 = 18,675.32 : x
  2. Step 2: Convert to fraction form
    58,145.90/87,163.47 = 18,675.32/x
  3. Step 3: Cross multiply
    58,145.90x = 87,163.47 × 18,675.32
  4. Step 4: Simplify right side
    58,145.90x = 1,627,805,258.74
  5. Step 5: Solve for x
    x = 1,627,805,258.74/58,145.90
  6. Step 6: Final answer
    x = 27,995.19

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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.