Home / 111,819.12-154,313.28-60,835.02

Finding the Fourth Proportional to 111,819.12, 154,313.28 and 60,835.02

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Solution

The fourth proportional to 111,819.12, 154,313.28 and 60,835.02 is: 83,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,819.12 : 154,313.28 = 60,835.02 : x
  2. Step 2: Convert to fraction form
    111,819.12/154,313.28 = 60,835.02/x
  3. Step 3: Cross multiply
    111,819.12x = 154,313.28 × 60,835.02
  4. Step 4: Simplify right side
    111,819.12x = 9,387,651,475.07
  5. Step 5: Solve for x
    x = 9,387,651,475.07/111,819.12
  6. Step 6: Final answer
    x = 83,953.90

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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.