Home / 75,867.84-104,708.16-42,336

Finding the Fourth Proportional to 75,867.84, 104,708.16 and 42,336

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Solution

The fourth proportional to 75,867.84, 104,708.16 and 42,336 is: 58,429.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,867.84 : 104,708.16 = 42,336 : x
  2. Step 2: Convert to fraction form
    75,867.84/104,708.16 = 42,336/x
  3. Step 3: Cross multiply
    75,867.84x = 104,708.16 × 42,336
  4. Step 4: Simplify right side
    75,867.84x = 4,432,924,661.76
  5. Step 5: Solve for x
    x = 4,432,924,661.76/75,867.84
  6. Step 6: Final answer
    x = 58,429.56

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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.