Home / 91,787.58-126,673.38-50,953.86

Finding the Fourth Proportional to 91,787.58, 126,673.38 and 50,953.86

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Solution

The fourth proportional to 91,787.58, 126,673.38 and 50,953.86 is: 70,319.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,787.58 : 126,673.38 = 50,953.86 : x
  2. Step 2: Convert to fraction form
    91,787.58/126,673.38 = 50,953.86/x
  3. Step 3: Cross multiply
    91,787.58x = 126,673.38 × 50,953.86
  4. Step 4: Simplify right side
    91,787.58x = 6,454,497,670.25
  5. Step 5: Solve for x
    x = 6,454,497,670.25/91,787.58
  6. Step 6: Final answer
    x = 70,319.95

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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.