Home / 84,966.27-127,369.80-28,767.06

Finding the Fourth Proportional to 84,966.27, 127,369.80 and 28,767.06

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Solution

The fourth proportional to 84,966.27, 127,369.80 and 28,767.06 is: 43,123.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,966.27 : 127,369.80 = 28,767.06 : x
  2. Step 2: Convert to fraction form
    84,966.27/127,369.80 = 28,767.06/x
  3. Step 3: Cross multiply
    84,966.27x = 127,369.80 × 28,767.06
  4. Step 4: Simplify right side
    84,966.27x = 3,664,054,678.79
  5. Step 5: Solve for x
    x = 3,664,054,678.79/84,966.27
  6. Step 6: Final answer
    x = 43,123.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.