Home / 113,426.41-170,041.17-57,219.60

Finding the Fourth Proportional to 113,426.41, 170,041.17 and 57,219.60

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Solution

The fourth proportional to 113,426.41, 170,041.17 and 57,219.60 is: 85,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,426.41 : 170,041.17 = 57,219.60 : x
  2. Step 2: Convert to fraction form
    113,426.41/170,041.17 = 57,219.60/x
  3. Step 3: Cross multiply
    113,426.41x = 170,041.17 × 57,219.60
  4. Step 4: Simplify right side
    113,426.41x = 9,729,687,730.93
  5. Step 5: Solve for x
    x = 9,729,687,730.93/113,426.41
  6. Step 6: Final answer
    x = 85,779.74

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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.