Home / 90,989.73-125,567.19-52,752.15

Finding the Fourth Proportional to 90,989.73, 125,567.19 and 52,752.15

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Solution

The fourth proportional to 90,989.73, 125,567.19 and 52,752.15 is: 72,798.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,989.73 : 125,567.19 = 52,752.15 : x
  2. Step 2: Convert to fraction form
    90,989.73/125,567.19 = 52,752.15/x
  3. Step 3: Cross multiply
    90,989.73x = 125,567.19 × 52,752.15
  4. Step 4: Simplify right side
    90,989.73x = 6,623,939,241.96
  5. Step 5: Solve for x
    x = 6,623,939,241.96/90,989.73
  6. Step 6: Final answer
    x = 72,798.76

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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.