Home / 113,539.86-170,345.49-47,011.38

Finding the Fourth Proportional to 113,539.86, 170,345.49 and 47,011.38

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Solution

The fourth proportional to 113,539.86, 170,345.49 and 47,011.38 is: 70,531.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,539.86 : 170,345.49 = 47,011.38 : x
  2. Step 2: Convert to fraction form
    113,539.86/170,345.49 = 47,011.38/x
  3. Step 3: Cross multiply
    113,539.86x = 170,345.49 × 47,011.38
  4. Step 4: Simplify right side
    113,539.86x = 8,008,176,561.68
  5. Step 5: Solve for x
    x = 8,008,176,561.68/113,539.86
  6. Step 6: Final answer
    x = 70,531.85

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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.