Home / 106,038.80-159,049.92-46,876.40

Finding the Fourth Proportional to 106,038.80, 159,049.92 and 46,876.40

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Solution

The fourth proportional to 106,038.80, 159,049.92 and 46,876.40 is: 70,310.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,038.80 : 159,049.92 = 46,876.40 : x
  2. Step 2: Convert to fraction form
    106,038.80/159,049.92 = 46,876.40/x
  3. Step 3: Cross multiply
    106,038.80x = 159,049.92 × 46,876.40
  4. Step 4: Simplify right side
    106,038.80x = 7,455,687,669.89
  5. Step 5: Solve for x
    x = 7,455,687,669.89/106,038.80
  6. Step 6: Final answer
    x = 70,310.94

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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.