Home / 75,081.60-103,612.62-46,787.40

Finding the Fourth Proportional to 75,081.60, 103,612.62 and 46,787.40

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Solution

The fourth proportional to 75,081.60, 103,612.62 and 46,787.40 is: 64,566.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,081.60 : 103,612.62 = 46,787.40 : x
  2. Step 2: Convert to fraction form
    75,081.60/103,612.62 = 46,787.40/x
  3. Step 3: Cross multiply
    75,081.60x = 103,612.62 × 46,787.40
  4. Step 4: Simplify right side
    75,081.60x = 4,847,765,096.99
  5. Step 5: Solve for x
    x = 4,847,765,096.99/75,081.60
  6. Step 6: Final answer
    x = 64,566.62

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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.