Home / 55,702.35-83,554.74-13,582.72

Finding the Fourth Proportional to 55,702.35, 83,554.74 and 13,582.72

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Solution

The fourth proportional to 55,702.35, 83,554.74 and 13,582.72 is: 20,374.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,702.35 : 83,554.74 = 13,582.72 : x
  2. Step 2: Convert to fraction form
    55,702.35/83,554.74 = 13,582.72/x
  3. Step 3: Cross multiply
    55,702.35x = 83,554.74 × 13,582.72
  4. Step 4: Simplify right side
    55,702.35x = 1,134,900,742.54
  5. Step 5: Solve for x
    x = 1,134,900,742.54/55,702.35
  6. Step 6: Final answer
    x = 20,374.38

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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.