Home / 113,416.08-170,131.95-38,505.66

Finding the Fourth Proportional to 113,416.08, 170,131.95 and 38,505.66

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Solution

The fourth proportional to 113,416.08, 170,131.95 and 38,505.66 is: 57,761.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,416.08 : 170,131.95 = 38,505.66 : x
  2. Step 2: Convert to fraction form
    113,416.08/170,131.95 = 38,505.66/x
  3. Step 3: Cross multiply
    113,416.08x = 170,131.95 × 38,505.66
  4. Step 4: Simplify right side
    113,416.08x = 6,551,043,021.84
  5. Step 5: Solve for x
    x = 6,551,043,021.84/113,416.08
  6. Step 6: Final answer
    x = 57,761.15

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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.