Home / 92,018.39-137,971.83-60,021.36

Finding the Fourth Proportional to 92,018.39, 137,971.83 and 60,021.36

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Solution

The fourth proportional to 92,018.39, 137,971.83 and 60,021.36 is: 89,995.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,018.39 : 137,971.83 = 60,021.36 : x
  2. Step 2: Convert to fraction form
    92,018.39/137,971.83 = 60,021.36/x
  3. Step 3: Cross multiply
    92,018.39x = 137,971.83 × 60,021.36
  4. Step 4: Simplify right side
    92,018.39x = 8,281,256,878.29
  5. Step 5: Solve for x
    x = 8,281,256,878.29/92,018.39
  6. Step 6: Final answer
    x = 89,995.68

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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.