Home / 75,904-104,747.58-42,370

Finding the Fourth Proportional to 75,904, 104,747.58 and 42,370

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Solution

The fourth proportional to 75,904, 104,747.58 and 42,370 is: 58,470.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,904 : 104,747.58 = 42,370 : x
  2. Step 2: Convert to fraction form
    75,904/104,747.58 = 42,370/x
  3. Step 3: Cross multiply
    75,904x = 104,747.58 × 42,370
  4. Step 4: Simplify right side
    75,904x = 4,438,154,964.60
  5. Step 5: Solve for x
    x = 4,438,154,964.60/75,904
  6. Step 6: Final answer
    x = 58,470.63

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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.