Home / 98,026.81-147,026.30-31,458.31

Finding the Fourth Proportional to 98,026.81, 147,026.30 and 31,458.31

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Solution

The fourth proportional to 98,026.81, 147,026.30 and 31,458.31 is: 47,183.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,026.81 : 147,026.30 = 31,458.31 : x
  2. Step 2: Convert to fraction form
    98,026.81/147,026.30 = 31,458.31/x
  3. Step 3: Cross multiply
    98,026.81x = 147,026.30 × 31,458.31
  4. Step 4: Simplify right side
    98,026.81x = 4,625,198,398.70
  5. Step 5: Solve for x
    x = 4,625,198,398.70/98,026.81
  6. Step 6: Final answer
    x = 47,183.00

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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.