Home / 109,537.87-164,308.29-38,457.67

Finding the Fourth Proportional to 109,537.87, 164,308.29 and 38,457.67

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Solution

The fourth proportional to 109,537.87, 164,308.29 and 38,457.67 is: 57,687.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,537.87 : 164,308.29 = 38,457.67 : x
  2. Step 2: Convert to fraction form
    109,537.87/164,308.29 = 38,457.67/x
  3. Step 3: Cross multiply
    109,537.87x = 164,308.29 × 38,457.67
  4. Step 4: Simplify right side
    109,537.87x = 6,318,913,995.08
  5. Step 5: Solve for x
    x = 6,318,913,995.08/109,537.87
  6. Step 6: Final answer
    x = 57,687.03

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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.