Home / 75,128.46-103,684.23-41,594.46

Finding the Fourth Proportional to 75,128.46, 103,684.23 and 41,594.46

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Solution

The fourth proportional to 75,128.46, 103,684.23 and 41,594.46 is: 57,404.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,128.46 : 103,684.23 = 41,594.46 : x
  2. Step 2: Convert to fraction form
    75,128.46/103,684.23 = 41,594.46/x
  3. Step 3: Cross multiply
    75,128.46x = 103,684.23 × 41,594.46
  4. Step 4: Simplify right side
    75,128.46x = 4,312,689,557.37
  5. Step 5: Solve for x
    x = 4,312,689,557.37/75,128.46
  6. Step 6: Final answer
    x = 57,404.21

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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.