Home / 98,027.85-147,090.42-38,862.21

Finding the Fourth Proportional to 98,027.85, 147,090.42 and 38,862.21

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Solution

The fourth proportional to 98,027.85, 147,090.42 and 38,862.21 is: 58,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,027.85 : 147,090.42 = 38,862.21 : x
  2. Step 2: Convert to fraction form
    98,027.85/147,090.42 = 38,862.21/x
  3. Step 3: Cross multiply
    98,027.85x = 147,090.42 × 38,862.21
  4. Step 4: Simplify right side
    98,027.85x = 5,716,258,791.03
  5. Step 5: Solve for x
    x = 5,716,258,791.03/98,027.85
  6. Step 6: Final answer
    x = 58,312.60

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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.