Home / 75,131.64-103,683.18-41,598.84

Finding the Fourth Proportional to 75,131.64, 103,683.18 and 41,598.84

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Solution

The fourth proportional to 75,131.64, 103,683.18 and 41,598.84 is: 57,407.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,131.64 : 103,683.18 = 41,598.84 : x
  2. Step 2: Convert to fraction form
    75,131.64/103,683.18 = 41,598.84/x
  3. Step 3: Cross multiply
    75,131.64x = 103,683.18 × 41,598.84
  4. Step 4: Simplify right side
    75,131.64x = 4,313,100,015.51
  5. Step 5: Solve for x
    x = 4,313,100,015.51/75,131.64
  6. Step 6: Final answer
    x = 57,407.24

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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.