Home / 98,427.84-147,665.22-31,867.98

Finding the Fourth Proportional to 98,427.84, 147,665.22 and 31,867.98

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Solution

The fourth proportional to 98,427.84, 147,665.22 and 31,867.98 is: 47,809.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,427.84 : 147,665.22 = 31,867.98 : x
  2. Step 2: Convert to fraction form
    98,427.84/147,665.22 = 31,867.98/x
  3. Step 3: Cross multiply
    98,427.84x = 147,665.22 × 31,867.98
  4. Step 4: Simplify right side
    98,427.84x = 4,705,792,939.96
  5. Step 5: Solve for x
    x = 4,705,792,939.96/98,427.84
  6. Step 6: Final answer
    x = 47,809.57

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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.