Home / 92,941.66-128,257.86-50,500.36

Finding the Fourth Proportional to 92,941.66, 128,257.86 and 50,500.36

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Solution

The fourth proportional to 92,941.66, 128,257.86 and 50,500.36 is: 69,689.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,941.66 : 128,257.86 = 50,500.36 : x
  2. Step 2: Convert to fraction form
    92,941.66/128,257.86 = 50,500.36/x
  3. Step 3: Cross multiply
    92,941.66x = 128,257.86 × 50,500.36
  4. Step 4: Simplify right side
    92,941.66x = 6,477,068,102.83
  5. Step 5: Solve for x
    x = 6,477,068,102.83/92,941.66
  6. Step 6: Final answer
    x = 69,689.61

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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.