Home / 102,938.53-154,386.19-29,049.25

Finding the Fourth Proportional to 102,938.53, 154,386.19 and 29,049.25

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Solution

The fourth proportional to 102,938.53, 154,386.19 and 29,049.25 is: 43,567.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,938.53 : 154,386.19 = 29,049.25 : x
  2. Step 2: Convert to fraction form
    102,938.53/154,386.19 = 29,049.25/x
  3. Step 3: Cross multiply
    102,938.53x = 154,386.19 × 29,049.25
  4. Step 4: Simplify right side
    102,938.53x = 4,484,803,029.86
  5. Step 5: Solve for x
    x = 4,484,803,029.86/102,938.53
  6. Step 6: Final answer
    x = 43,567.78

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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.