Home / 75,162.18-103,726.53-41,628.18

Finding the Fourth Proportional to 75,162.18, 103,726.53 and 41,628.18

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Solution

The fourth proportional to 75,162.18, 103,726.53 and 41,628.18 is: 57,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,162.18 : 103,726.53 = 41,628.18 : x
  2. Step 2: Convert to fraction form
    75,162.18/103,726.53 = 41,628.18/x
  3. Step 3: Cross multiply
    75,162.18x = 103,726.53 × 41,628.18
  4. Step 4: Simplify right side
    75,162.18x = 4,317,946,661.62
  5. Step 5: Solve for x
    x = 4,317,946,661.62/75,162.18
  6. Step 6: Final answer
    x = 57,448.40

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1.5x scale

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.