Home / 85,941.28-118,489.44-55,673.44

Finding the Fourth Proportional to 85,941.28, 118,489.44 and 55,673.44

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Solution

The fourth proportional to 85,941.28, 118,489.44 and 55,673.44 is: 76,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,941.28 : 118,489.44 = 55,673.44 : x
  2. Step 2: Convert to fraction form
    85,941.28/118,489.44 = 55,673.44/x
  3. Step 3: Cross multiply
    85,941.28x = 118,489.44 × 55,673.44
  4. Step 4: Simplify right side
    85,941.28x = 6,596,714,728.47
  5. Step 5: Solve for x
    x = 6,596,714,728.47/85,941.28
  6. Step 6: Final answer
    x = 76,758.40

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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.