Home / 113,539.18-170,329.43-38,655.49

Finding the Fourth Proportional to 113,539.18, 170,329.43 and 38,655.49

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Solution

The fourth proportional to 113,539.18, 170,329.43 and 38,655.49 is: 57,990.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,539.18 : 170,329.43 = 38,655.49 : x
  2. Step 2: Convert to fraction form
    113,539.18/170,329.43 = 38,655.49/x
  3. Step 3: Cross multiply
    113,539.18x = 170,329.43 × 38,655.49
  4. Step 4: Simplify right side
    113,539.18x = 6,584,167,578.07
  5. Step 5: Solve for x
    x = 6,584,167,578.07/113,539.18
  6. Step 6: Final answer
    x = 57,990.27

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1.5x scale

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.