Home / 126,129.81-188,923.26-59,470.05

Finding the Fourth Proportional to 126,129.81, 188,923.26 and 59,470.05

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Solution

The fourth proportional to 126,129.81, 188,923.26 and 59,470.05 is: 89,077.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,129.81 : 188,923.26 = 59,470.05 : x
  2. Step 2: Convert to fraction form
    126,129.81/188,923.26 = 59,470.05/x
  3. Step 3: Cross multiply
    126,129.81x = 188,923.26 × 59,470.05
  4. Step 4: Simplify right side
    126,129.81x = 11,235,275,718.36
  5. Step 5: Solve for x
    x = 11,235,275,718.36/126,129.81
  6. Step 6: Final answer
    x = 89,077.08

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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.