Home / 42,084.21-58,097.25-26,173.78

Finding the Fourth Proportional to 42,084.21, 58,097.25 and 26,173.78

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Solution

The fourth proportional to 42,084.21, 58,097.25 and 26,173.78 is: 36,132.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,084.21 : 58,097.25 = 26,173.78 : x
  2. Step 2: Convert to fraction form
    42,084.21/58,097.25 = 26,173.78/x
  3. Step 3: Cross multiply
    42,084.21x = 58,097.25 × 26,173.78
  4. Step 4: Simplify right side
    42,084.21x = 1,520,624,640.11
  5. Step 5: Solve for x
    x = 1,520,624,640.11/42,084.21
  6. Step 6: Final answer
    x = 36,132.90

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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.