Home / 75,087.10-103,620.21-46,792.90

Finding the Fourth Proportional to 75,087.10, 103,620.21 and 46,792.90

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Solution

The fourth proportional to 75,087.10, 103,620.21 and 46,792.90 is: 64,574.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,087.10 : 103,620.21 = 46,792.90 : x
  2. Step 2: Convert to fraction form
    75,087.10/103,620.21 = 46,792.90/x
  3. Step 3: Cross multiply
    75,087.10x = 103,620.21 × 46,792.90
  4. Step 4: Simplify right side
    75,087.10x = 4,848,690,124.51
  5. Step 5: Solve for x
    x = 4,848,690,124.51/75,087.10
  6. Step 6: Final answer
    x = 64,574.21

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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.