Home / 103,326.79-142,590.91-58,004.86

Finding the Fourth Proportional to 103,326.79, 142,590.91 and 58,004.86

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Solution

The fourth proportional to 103,326.79, 142,590.91 and 58,004.86 is: 80,046.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,326.79 : 142,590.91 = 58,004.86 : x
  2. Step 2: Convert to fraction form
    103,326.79/142,590.91 = 58,004.86/x
  3. Step 3: Cross multiply
    103,326.79x = 142,590.91 × 58,004.86
  4. Step 4: Simplify right side
    103,326.79x = 8,270,964,913.86
  5. Step 5: Solve for x
    x = 8,270,964,913.86/103,326.79
  6. Step 6: Final answer
    x = 80,046.67

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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.