Home / 91,196.85-125,872.65-53,483.25

Finding the Fourth Proportional to 91,196.85, 125,872.65 and 53,483.25

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Solution

The fourth proportional to 91,196.85, 125,872.65 and 53,483.25 is: 73,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,196.85 : 125,872.65 = 53,483.25 : x
  2. Step 2: Convert to fraction form
    91,196.85/125,872.65 = 53,483.25/x
  3. Step 3: Cross multiply
    91,196.85x = 125,872.65 × 53,483.25
  4. Step 4: Simplify right side
    91,196.85x = 6,732,078,408.11
  5. Step 5: Solve for x
    x = 6,732,078,408.11/91,196.85
  6. Step 6: Final answer
    x = 73,819.20

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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.