Home / 82,913.60-124,388.11-26,756.90

Finding the Fourth Proportional to 82,913.60, 124,388.11 and 26,756.90

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Solution

The fourth proportional to 82,913.60, 124,388.11 and 26,756.90 is: 40,141.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,913.60 : 124,388.11 = 26,756.90 : x
  2. Step 2: Convert to fraction form
    82,913.60/124,388.11 = 26,756.90/x
  3. Step 3: Cross multiply
    82,913.60x = 124,388.11 × 26,756.90
  4. Step 4: Simplify right side
    82,913.60x = 3,328,240,220.46
  5. Step 5: Solve for x
    x = 3,328,240,220.46/82,913.60
  6. Step 6: Final answer
    x = 40,141.07

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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.