Home / 85,813.02-118,447.92-55,600.02

Finding the Fourth Proportional to 85,813.02, 118,447.92 and 55,600.02

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Solution

The fourth proportional to 85,813.02, 118,447.92 and 55,600.02 is: 76,744.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,813.02 : 118,447.92 = 55,600.02 : x
  2. Step 2: Convert to fraction form
    85,813.02/118,447.92 = 55,600.02/x
  3. Step 3: Cross multiply
    85,813.02x = 118,447.92 × 55,600.02
  4. Step 4: Simplify right side
    85,813.02x = 6,585,706,720.96
  5. Step 5: Solve for x
    x = 6,585,706,720.96/85,813.02
  6. Step 6: Final answer
    x = 76,744.84

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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.