Home / 68,913.24-95,110.68-42,071.40

Finding the Fourth Proportional to 68,913.24, 95,110.68 and 42,071.40

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Solution

The fourth proportional to 68,913.24, 95,110.68 and 42,071.40 is: 58,064.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,913.24 : 95,110.68 = 42,071.40 : x
  2. Step 2: Convert to fraction form
    68,913.24/95,110.68 = 42,071.40/x
  3. Step 3: Cross multiply
    68,913.24x = 95,110.68 × 42,071.40
  4. Step 4: Simplify right side
    68,913.24x = 4,001,439,462.55
  5. Step 5: Solve for x
    x = 4,001,439,462.55/68,913.24
  6. Step 6: Final answer
    x = 58,064.89

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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.