Home / 98,028.10-147,090.80-38,862.46

Finding the Fourth Proportional to 98,028.10, 147,090.80 and 38,862.46

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Solution

The fourth proportional to 98,028.10, 147,090.80 and 38,862.46 is: 58,312.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,028.10 : 147,090.80 = 38,862.46 : x
  2. Step 2: Convert to fraction form
    98,028.10/147,090.80 = 38,862.46/x
  3. Step 3: Cross multiply
    98,028.10x = 147,090.80 × 38,862.46
  4. Step 4: Simplify right side
    98,028.10x = 5,716,310,137.06
  5. Step 5: Solve for x
    x = 5,716,310,137.06/98,028.10
  6. Step 6: Final answer
    x = 58,312.97

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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.