Home / 84,231.84-116,248.50-48,423.36

Finding the Fourth Proportional to 84,231.84, 116,248.50 and 48,423.36

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Solution

The fourth proportional to 84,231.84, 116,248.50 and 48,423.36 is: 66,829.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,231.84 : 116,248.50 = 48,423.36 : x
  2. Step 2: Convert to fraction form
    84,231.84/116,248.50 = 48,423.36/x
  3. Step 3: Cross multiply
    84,231.84x = 116,248.50 × 48,423.36
  4. Step 4: Simplify right side
    84,231.84x = 5,629,142,964.96
  5. Step 5: Solve for x
    x = 5,629,142,964.96/84,231.84
  6. Step 6: Final answer
    x = 66,829.16

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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.