Home / 92,631.36-138,966.48-30,297

Finding the Fourth Proportional to 92,631.36, 138,966.48 and 30,297

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Solution

The fourth proportional to 92,631.36, 138,966.48 and 30,297 is: 45,451.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,631.36 : 138,966.48 = 30,297 : x
  2. Step 2: Convert to fraction form
    92,631.36/138,966.48 = 30,297/x
  3. Step 3: Cross multiply
    92,631.36x = 138,966.48 × 30,297
  4. Step 4: Simplify right side
    92,631.36x = 4,210,267,444.56
  5. Step 5: Solve for x
    x = 4,210,267,444.56/92,631.36
  6. Step 6: Final answer
    x = 45,451.86

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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.