Home / 61,743.08-85,199.51-45,620.35

Finding the Fourth Proportional to 61,743.08, 85,199.51 and 45,620.35

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Solution

The fourth proportional to 61,743.08, 85,199.51 and 45,620.35 is: 62,951.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,743.08 : 85,199.51 = 45,620.35 : x
  2. Step 2: Convert to fraction form
    61,743.08/85,199.51 = 45,620.35/x
  3. Step 3: Cross multiply
    61,743.08x = 85,199.51 × 45,620.35
  4. Step 4: Simplify right side
    61,743.08x = 3,886,831,367.08
  5. Step 5: Solve for x
    x = 3,886,831,367.08/61,743.08
  6. Step 6: Final answer
    x = 62,951.69

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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.