Home / 54,919.40-75,792.04-31,048.28

Finding the Fourth Proportional to 54,919.40, 75,792.04 and 31,048.28

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Solution

The fourth proportional to 54,919.40, 75,792.04 and 31,048.28 is: 42,848.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,919.40 : 75,792.04 = 31,048.28 : x
  2. Step 2: Convert to fraction form
    54,919.40/75,792.04 = 31,048.28/x
  3. Step 3: Cross multiply
    54,919.40x = 75,792.04 × 31,048.28
  4. Step 4: Simplify right side
    54,919.40x = 2,353,212,479.69
  5. Step 5: Solve for x
    x = 2,353,212,479.69/54,919.40
  6. Step 6: Final answer
    x = 42,848.47

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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.