Home / 113,371.71-170,123.27-57,216.21

Finding the Fourth Proportional to 113,371.71, 170,123.27 and 57,216.21

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Solution

The fourth proportional to 113,371.71, 170,123.27 and 57,216.21 is: 85,857.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,371.71 : 170,123.27 = 57,216.21 : x
  2. Step 2: Convert to fraction form
    113,371.71/170,123.27 = 57,216.21/x
  3. Step 3: Cross multiply
    113,371.71x = 170,123.27 × 57,216.21
  4. Step 4: Simplify right side
    113,371.71x = 9,733,808,742.21
  5. Step 5: Solve for x
    x = 9,733,808,742.21/113,371.71
  6. Step 6: Final answer
    x = 85,857.47

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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.