Home / 98,026.98-147,026.58-31,458.52

Finding the Fourth Proportional to 98,026.98, 147,026.58 and 31,458.52

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Solution

The fourth proportional to 98,026.98, 147,026.58 and 31,458.52 is: 47,183.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,026.98 : 147,026.58 = 31,458.52 : x
  2. Step 2: Convert to fraction form
    98,026.98/147,026.58 = 31,458.52/x
  3. Step 3: Cross multiply
    98,026.98x = 147,026.58 × 31,458.52
  4. Step 4: Simplify right side
    98,026.98x = 4,625,238,607.46
  5. Step 5: Solve for x
    x = 4,625,238,607.46/98,026.98
  6. Step 6: Final answer
    x = 47,183.32

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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.