Home / 83,370.42-115,051.18-45,644.67

Finding the Fourth Proportional to 83,370.42, 115,051.18 and 45,644.67

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Solution

The fourth proportional to 83,370.42, 115,051.18 and 45,644.67 is: 62,989.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,370.42 : 115,051.18 = 45,644.67 : x
  2. Step 2: Convert to fraction form
    83,370.42/115,051.18 = 45,644.67/x
  3. Step 3: Cross multiply
    83,370.42x = 115,051.18 × 45,644.67
  4. Step 4: Simplify right side
    83,370.42x = 5,251,473,144.21
  5. Step 5: Solve for x
    x = 5,251,473,144.21/83,370.42
  6. Step 6: Final answer
    x = 62,989.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.