Home / 75,131.40-103,678.74-41,595.24

Finding the Fourth Proportional to 75,131.40, 103,678.74 and 41,595.24

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Solution

The fourth proportional to 75,131.40, 103,678.74 and 41,595.24 is: 57,400.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,131.40 : 103,678.74 = 41,595.24 : x
  2. Step 2: Convert to fraction form
    75,131.40/103,678.74 = 41,595.24/x
  3. Step 3: Cross multiply
    75,131.40x = 103,678.74 × 41,595.24
  4. Step 4: Simplify right side
    75,131.40x = 4,312,542,073.20
  5. Step 5: Solve for x
    x = 4,312,542,073.20/75,131.40
  6. Step 6: Final answer
    x = 57,400.00

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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.