Home / 112,074.60-154,662.18-61,773.48

Finding the Fourth Proportional to 112,074.60, 154,662.18 and 61,773.48

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Solution

The fourth proportional to 112,074.60, 154,662.18 and 61,773.48 is: 85,246.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,074.60 : 154,662.18 = 61,773.48 : x
  2. Step 2: Convert to fraction form
    112,074.60/154,662.18 = 61,773.48/x
  3. Step 3: Cross multiply
    112,074.60x = 154,662.18 × 61,773.48
  4. Step 4: Simplify right side
    112,074.60x = 9,554,021,082.99
  5. Step 5: Solve for x
    x = 9,554,021,082.99/112,074.60
  6. Step 6: Final answer
    x = 85,246.98

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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.