Home / 111,864.11-154,337.69-63,458.06

Finding the Fourth Proportional to 111,864.11, 154,337.69 and 63,458.06

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Solution

The fourth proportional to 111,864.11, 154,337.69 and 63,458.06 is: 87,552.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,864.11 : 154,337.69 = 63,458.06 : x
  2. Step 2: Convert to fraction form
    111,864.11/154,337.69 = 63,458.06/x
  3. Step 3: Cross multiply
    111,864.11x = 154,337.69 × 63,458.06
  4. Step 4: Simplify right side
    111,864.11x = 9,793,969,303.30
  5. Step 5: Solve for x
    x = 9,793,969,303.30/111,864.11
  6. Step 6: Final answer
    x = 87,552.39

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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.