Home / 75,435.13-104,100.51-41,445.80

Finding the Fourth Proportional to 75,435.13, 104,100.51 and 41,445.80

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Solution

The fourth proportional to 75,435.13, 104,100.51 and 41,445.80 is: 57,195.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,435.13 : 104,100.51 = 41,445.80 : x
  2. Step 2: Convert to fraction form
    75,435.13/104,100.51 = 41,445.80/x
  3. Step 3: Cross multiply
    75,435.13x = 104,100.51 × 41,445.80
  4. Step 4: Simplify right side
    75,435.13x = 4,314,528,942.65
  5. Step 5: Solve for x
    x = 4,314,528,942.65/75,435.13
  6. Step 6: Final answer
    x = 57,195.22

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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.