Home / 113,835.95-170,737.87-71,587.23

Finding the Fourth Proportional to 113,835.95, 170,737.87 and 71,587.23

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Solution

The fourth proportional to 113,835.95, 170,737.87 and 71,587.23 is: 107,370.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,835.95 : 170,737.87 = 71,587.23 : x
  2. Step 2: Convert to fraction form
    113,835.95/170,737.87 = 71,587.23/x
  3. Step 3: Cross multiply
    113,835.95x = 170,737.87 × 71,587.23
  4. Step 4: Simplify right side
    113,835.95x = 12,222,651,169.40
  5. Step 5: Solve for x
    x = 12,222,651,169.40/113,835.95
  6. Step 6: Final answer
    x = 107,370.75

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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.