Home / 111,763.14-154,234.96-60,776.88

Finding the Fourth Proportional to 111,763.14, 154,234.96 and 60,776.88

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Solution

The fourth proportional to 111,763.14, 154,234.96 and 60,776.88 is: 83,873.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,763.14 : 154,234.96 = 60,776.88 : x
  2. Step 2: Convert to fraction form
    111,763.14/154,234.96 = 60,776.88/x
  3. Step 3: Cross multiply
    111,763.14x = 154,234.96 × 60,776.88
  4. Step 4: Simplify right side
    111,763.14x = 9,373,918,925.40
  5. Step 5: Solve for x
    x = 9,373,918,925.40/111,763.14
  6. Step 6: Final answer
    x = 83,873.08

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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.