Home / 113,438.76-170,065.12-46,926.60

Finding the Fourth Proportional to 113,438.76, 170,065.12 and 46,926.60

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Solution

The fourth proportional to 113,438.76, 170,065.12 and 46,926.60 is: 70,351.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,438.76 : 170,065.12 = 46,926.60 : x
  2. Step 2: Convert to fraction form
    113,438.76/170,065.12 = 46,926.60/x
  3. Step 3: Cross multiply
    113,438.76x = 170,065.12 × 46,926.60
  4. Step 4: Simplify right side
    113,438.76x = 7,980,577,860.19
  5. Step 5: Solve for x
    x = 7,980,577,860.19/113,438.76
  6. Step 6: Final answer
    x = 70,351.42

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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.