Home / 75,360.36-103,994.61-42,654.07

Finding the Fourth Proportional to 75,360.36, 103,994.61 and 42,654.07

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Solution

The fourth proportional to 75,360.36, 103,994.61 and 42,654.07 is: 58,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,360.36 : 103,994.61 = 42,654.07 : x
  2. Step 2: Convert to fraction form
    75,360.36/103,994.61 = 42,654.07/x
  3. Step 3: Cross multiply
    75,360.36x = 103,994.61 × 42,654.07
  4. Step 4: Simplify right side
    75,360.36x = 4,435,793,787.04
  5. Step 5: Solve for x
    x = 4,435,793,787.04/75,360.36
  6. Step 6: Final answer
    x = 58,861.10

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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.