Home / 113,528.80-170,313.90-38,645.38

Finding the Fourth Proportional to 113,528.80, 170,313.90 and 38,645.38

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Solution

The fourth proportional to 113,528.80, 170,313.90 and 38,645.38 is: 57,975.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,528.80 : 170,313.90 = 38,645.38 : x
  2. Step 2: Convert to fraction form
    113,528.80/170,313.90 = 38,645.38/x
  3. Step 3: Cross multiply
    113,528.80x = 170,313.90 × 38,645.38
  4. Step 4: Simplify right side
    113,528.80x = 6,581,845,384.78
  5. Step 5: Solve for x
    x = 6,581,845,384.78/113,528.80
  6. Step 6: Final answer
    x = 57,975.12

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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.