Home / 111,926.14-154,459.11-61,626.94

Finding the Fourth Proportional to 111,926.14, 154,459.11 and 61,626.94

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Solution

The fourth proportional to 111,926.14, 154,459.11 and 61,626.94 is: 85,045.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,926.14 : 154,459.11 = 61,626.94 : x
  2. Step 2: Convert to fraction form
    111,926.14/154,459.11 = 61,626.94/x
  3. Step 3: Cross multiply
    111,926.14x = 154,459.11 × 61,626.94
  4. Step 4: Simplify right side
    111,926.14x = 9,518,842,304.42
  5. Step 5: Solve for x
    x = 9,518,842,304.42/111,926.14
  6. Step 6: Final answer
    x = 85,045.75

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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.