Home / 98,775.98-148,197.22-31,319.03

Finding the Fourth Proportional to 98,775.98, 148,197.22 and 31,319.03

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Solution

The fourth proportional to 98,775.98, 148,197.22 and 31,319.03 is: 46,989.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,775.98 : 148,197.22 = 31,319.03 : x
  2. Step 2: Convert to fraction form
    98,775.98/148,197.22 = 31,319.03/x
  3. Step 3: Cross multiply
    98,775.98x = 148,197.22 × 31,319.03
  4. Step 4: Simplify right side
    98,775.98x = 4,641,392,516.41
  5. Step 5: Solve for x
    x = 4,641,392,516.41/98,775.98
  6. Step 6: Final answer
    x = 46,989.08

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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.