Home / 113,425.59-170,039.93-57,218.75

Finding the Fourth Proportional to 113,425.59, 170,039.93 and 57,218.75

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Solution

The fourth proportional to 113,425.59, 170,039.93 and 57,218.75 is: 85,778.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,425.59 : 170,039.93 = 57,218.75 : x
  2. Step 2: Convert to fraction form
    113,425.59/170,039.93 = 57,218.75/x
  3. Step 3: Cross multiply
    113,425.59x = 170,039.93 × 57,218.75
  4. Step 4: Simplify right side
    113,425.59x = 9,729,471,394.49
  5. Step 5: Solve for x
    x = 9,729,471,394.49/113,425.59
  6. Step 6: Final answer
    x = 85,778.45

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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.