Home / 113,408.10-170,130.47-34,503.75

Finding the Fourth Proportional to 113,408.10, 170,130.47 and 34,503.75

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Solution

The fourth proportional to 113,408.10, 170,130.47 and 34,503.75 is: 51,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,408.10 : 170,130.47 = 34,503.75 : x
  2. Step 2: Convert to fraction form
    113,408.10/170,130.47 = 34,503.75/x
  3. Step 3: Cross multiply
    113,408.10x = 170,130.47 × 34,503.75
  4. Step 4: Simplify right side
    113,408.10x = 5,870,139,031.74
  5. Step 5: Solve for x
    x = 5,870,139,031.74/113,408.10
  6. Step 6: Final answer
    x = 51,761.20

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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.