Home / 124,470.09-186,705.18-30,975.84

Finding the Fourth Proportional to 124,470.09, 186,705.18 and 30,975.84

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Solution

The fourth proportional to 124,470.09, 186,705.18 and 30,975.84 is: 46,463.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,470.09 : 186,705.18 = 30,975.84 : x
  2. Step 2: Convert to fraction form
    124,470.09/186,705.18 = 30,975.84/x
  3. Step 3: Cross multiply
    124,470.09x = 186,705.18 × 30,975.84
  4. Step 4: Simplify right side
    124,470.09x = 5,783,349,782.85
  5. Step 5: Solve for x
    x = 5,783,349,782.85/124,470.09
  6. Step 6: Final answer
    x = 46,463.77

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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.