Home / 103,681.08-143,044.14-58,349.88

Finding the Fourth Proportional to 103,681.08, 143,044.14 and 58,349.88

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Solution

The fourth proportional to 103,681.08, 143,044.14 and 58,349.88 is: 80,502.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,681.08 : 143,044.14 = 58,349.88 : x
  2. Step 2: Convert to fraction form
    103,681.08/143,044.14 = 58,349.88/x
  3. Step 3: Cross multiply
    103,681.08x = 143,044.14 × 58,349.88
  4. Step 4: Simplify right side
    103,681.08x = 8,346,608,403.70
  5. Step 5: Solve for x
    x = 8,346,608,403.70/103,681.08
  6. Step 6: Final answer
    x = 80,502.71

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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.