Home / 86,077.32-129,115.70-22,897.36

Finding the Fourth Proportional to 86,077.32, 129,115.70 and 22,897.36

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Solution

The fourth proportional to 86,077.32, 129,115.70 and 22,897.36 is: 34,345.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,077.32 : 129,115.70 = 22,897.36 : x
  2. Step 2: Convert to fraction form
    86,077.32/129,115.70 = 22,897.36/x
  3. Step 3: Cross multiply
    86,077.32x = 129,115.70 × 22,897.36
  4. Step 4: Simplify right side
    86,077.32x = 2,956,408,664.55
  5. Step 5: Solve for x
    x = 2,956,408,664.55/86,077.32
  6. Step 6: Final answer
    x = 34,345.97

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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.