Home / 124,940.03-187,409.90-40,700.06

Finding the Fourth Proportional to 124,940.03, 187,409.90 and 40,700.06

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Solution

The fourth proportional to 124,940.03, 187,409.90 and 40,700.06 is: 61,050.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,940.03 : 187,409.90 = 40,700.06 : x
  2. Step 2: Convert to fraction form
    124,940.03/187,409.90 = 40,700.06/x
  3. Step 3: Cross multiply
    124,940.03x = 187,409.90 × 40,700.06
  4. Step 4: Simplify right side
    124,940.03x = 7,627,594,744.87
  5. Step 5: Solve for x
    x = 7,627,594,744.87/124,940.03
  6. Step 6: Final answer
    x = 61,050.05

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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.