Home / 55,702.34-83,624.75-47,855.06

Finding the Fourth Proportional to 55,702.34, 83,624.75 and 47,855.06

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Solution

The fourth proportional to 55,702.34, 83,624.75 and 47,855.06 is: 71,843.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,702.34 : 83,624.75 = 47,855.06 : x
  2. Step 2: Convert to fraction form
    55,702.34/83,624.75 = 47,855.06/x
  3. Step 3: Cross multiply
    55,702.34x = 83,624.75 × 47,855.06
  4. Step 4: Simplify right side
    55,702.34x = 4,001,867,428.74
  5. Step 5: Solve for x
    x = 4,001,867,428.74/55,702.34
  6. Step 6: Final answer
    x = 71,843.79

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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.