Home / 98,553.16-147,827.65-31,993.19

Finding the Fourth Proportional to 98,553.16, 147,827.65 and 31,993.19

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Solution

The fourth proportional to 98,553.16, 147,827.65 and 31,993.19 is: 47,989.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,553.16 : 147,827.65 = 31,993.19 : x
  2. Step 2: Convert to fraction form
    98,553.16/147,827.65 = 31,993.19/x
  3. Step 3: Cross multiply
    98,553.16x = 147,827.65 × 31,993.19
  4. Step 4: Simplify right side
    98,553.16x = 4,729,478,093.70
  5. Step 5: Solve for x
    x = 4,729,478,093.70/98,553.16
  6. Step 6: Final answer
    x = 47,989.11

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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.