Home / 89,995.41-134,985.20-82,948.41

Finding the Fourth Proportional to 89,995.41, 134,985.20 and 82,948.41

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Solution

The fourth proportional to 89,995.41, 134,985.20 and 82,948.41 is: 124,415.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,995.41 : 134,985.20 = 82,948.41 : x
  2. Step 2: Convert to fraction form
    89,995.41/134,985.20 = 82,948.41/x
  3. Step 3: Cross multiply
    89,995.41x = 134,985.20 × 82,948.41
  4. Step 4: Simplify right side
    89,995.41x = 11,196,807,298.79
  5. Step 5: Solve for x
    x = 11,196,807,298.79/89,995.41
  6. Step 6: Final answer
    x = 124,415.32

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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.