Home / 113,090.42-169,668.45-45,587.61

Finding the Fourth Proportional to 113,090.42, 169,668.45 and 45,587.61

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Solution

The fourth proportional to 113,090.42, 169,668.45 and 45,587.61 is: 68,394.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,090.42 : 169,668.45 = 45,587.61 : x
  2. Step 2: Convert to fraction form
    113,090.42/169,668.45 = 45,587.61/x
  3. Step 3: Cross multiply
    113,090.42x = 169,668.45 × 45,587.61
  4. Step 4: Simplify right side
    113,090.42x = 7,734,779,977.85
  5. Step 5: Solve for x
    x = 7,734,779,977.85/113,090.42
  6. Step 6: Final answer
    x = 68,394.66

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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.