Home / 103,016.91-154,590.39-43,852.50

Finding the Fourth Proportional to 103,016.91, 154,590.39 and 43,852.50

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Solution

The fourth proportional to 103,016.91, 154,590.39 and 43,852.50 is: 65,806.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,016.91 : 154,590.39 = 43,852.50 : x
  2. Step 2: Convert to fraction form
    103,016.91/154,590.39 = 43,852.50/x
  3. Step 3: Cross multiply
    103,016.91x = 154,590.39 × 43,852.50
  4. Step 4: Simplify right side
    103,016.91x = 6,779,175,077.48
  5. Step 5: Solve for x
    x = 6,779,175,077.48/103,016.91
  6. Step 6: Final answer
    x = 65,806.43

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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.