Home / 110,260.74-152,133.21-69,960

Finding the Fourth Proportional to 110,260.74, 152,133.21 and 69,960

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Solution

The fourth proportional to 110,260.74, 152,133.21 and 69,960 is: 96,527.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,260.74 : 152,133.21 = 69,960 : x
  2. Step 2: Convert to fraction form
    110,260.74/152,133.21 = 69,960/x
  3. Step 3: Cross multiply
    110,260.74x = 152,133.21 × 69,960
  4. Step 4: Simplify right side
    110,260.74x = 10,643,239,371.60
  5. Step 5: Solve for x
    x = 10,643,239,371.60/110,260.74
  6. Step 6: Final answer
    x = 96,527.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.