Home / 113,655.81-170,532.87-61,003.78

Finding the Fourth Proportional to 113,655.81, 170,532.87 and 61,003.78

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Solution

The fourth proportional to 113,655.81, 170,532.87 and 61,003.78 is: 91,532.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,655.81 : 170,532.87 = 61,003.78 : x
  2. Step 2: Convert to fraction form
    113,655.81/170,532.87 = 61,003.78/x
  3. Step 3: Cross multiply
    113,655.81x = 170,532.87 × 61,003.78
  4. Step 4: Simplify right side
    113,655.81x = 10,403,149,684.25
  5. Step 5: Solve for x
    x = 10,403,149,684.25/113,655.81
  6. Step 6: Final answer
    x = 91,532.06

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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.