Home / 75,867.25-104,700.09-42,333.25

Finding the Fourth Proportional to 75,867.25, 104,700.09 and 42,333.25

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Solution

The fourth proportional to 75,867.25, 104,700.09 and 42,333.25 is: 58,421.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,867.25 : 104,700.09 = 42,333.25 : x
  2. Step 2: Convert to fraction form
    75,867.25/104,700.09 = 42,333.25/x
  3. Step 3: Cross multiply
    75,867.25x = 104,700.09 × 42,333.25
  4. Step 4: Simplify right side
    75,867.25x = 4,432,295,084.99
  5. Step 5: Solve for x
    x = 4,432,295,084.99/75,867.25
  6. Step 6: Final answer
    x = 58,421.72

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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.