Home / 98,419.23-147,652.29-31,859.37

Finding the Fourth Proportional to 98,419.23, 147,652.29 and 31,859.37

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Solution

The fourth proportional to 98,419.23, 147,652.29 and 31,859.37 is: 47,796.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,419.23 : 147,652.29 = 31,859.37 : x
  2. Step 2: Convert to fraction form
    98,419.23/147,652.29 = 31,859.37/x
  3. Step 3: Cross multiply
    98,419.23x = 147,652.29 × 31,859.37
  4. Step 4: Simplify right side
    98,419.23x = 4,704,108,938.46
  5. Step 5: Solve for x
    x = 4,704,108,938.46/98,419.23
  6. Step 6: Final answer
    x = 47,796.64

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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.