Home / 124,911.30-187,279.32-46,015.40

Finding the Fourth Proportional to 124,911.30, 187,279.32 and 46,015.40

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Solution

The fourth proportional to 124,911.30, 187,279.32 and 46,015.40 is: 68,990.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,911.30 : 187,279.32 = 46,015.40 : x
  2. Step 2: Convert to fraction form
    124,911.30/187,279.32 = 46,015.40/x
  3. Step 3: Cross multiply
    124,911.30x = 187,279.32 × 46,015.40
  4. Step 4: Simplify right side
    124,911.30x = 8,617,732,821.53
  5. Step 5: Solve for x
    x = 8,617,732,821.53/124,911.30
  6. Step 6: Final answer
    x = 68,990.82

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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.