Home / 92,683.58-139,004.04-55,254.20

Finding the Fourth Proportional to 92,683.58, 139,004.04 and 55,254.20

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Solution

The fourth proportional to 92,683.58, 139,004.04 and 55,254.20 is: 82,868.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,683.58 : 139,004.04 = 55,254.20 : x
  2. Step 2: Convert to fraction form
    92,683.58/139,004.04 = 55,254.20/x
  3. Step 3: Cross multiply
    92,683.58x = 139,004.04 × 55,254.20
  4. Step 4: Simplify right side
    92,683.58x = 7,680,557,026.97
  5. Step 5: Solve for x
    x = 7,680,557,026.97/92,683.58
  6. Step 6: Final answer
    x = 82,868.58

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1.5x scale

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.