Home / 98,433.18-147,650.37-31,873.02

Finding the Fourth Proportional to 98,433.18, 147,650.37 and 31,873.02

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Solution

The fourth proportional to 98,433.18, 147,650.37 and 31,873.02 is: 47,809.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,433.18 : 147,650.37 = 31,873.02 : x
  2. Step 2: Convert to fraction form
    98,433.18/147,650.37 = 31,873.02/x
  3. Step 3: Cross multiply
    98,433.18x = 147,650.37 × 31,873.02
  4. Step 4: Simplify right side
    98,433.18x = 4,706,063,196.02
  5. Step 5: Solve for x
    x = 4,706,063,196.02/98,433.18
  6. Step 6: Final answer
    x = 47,809.72

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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.