Home / 76,782.03-115,206.51-26,897.91

Finding the Fourth Proportional to 76,782.03, 115,206.51 and 26,897.91

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Solution

The fourth proportional to 76,782.03, 115,206.51 and 26,897.91 is: 40,358.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,782.03 : 115,206.51 = 26,897.91 : x
  2. Step 2: Convert to fraction form
    76,782.03/115,206.51 = 26,897.91/x
  3. Step 3: Cross multiply
    76,782.03x = 115,206.51 × 26,897.91
  4. Step 4: Simplify right side
    76,782.03x = 3,098,814,337.39
  5. Step 5: Solve for x
    x = 3,098,814,337.39/76,782.03
  6. Step 6: Final answer
    x = 40,358.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.