Home / 88,626.65-132,999.09-45,971.39

Finding the Fourth Proportional to 88,626.65, 132,999.09 and 45,971.39

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Solution

The fourth proportional to 88,626.65, 132,999.09 and 45,971.39 is: 68,987.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,626.65 : 132,999.09 = 45,971.39 : x
  2. Step 2: Convert to fraction form
    88,626.65/132,999.09 = 45,971.39/x
  3. Step 3: Cross multiply
    88,626.65x = 132,999.09 × 45,971.39
  4. Step 4: Simplify right side
    88,626.65x = 6,114,152,371.04
  5. Step 5: Solve for x
    x = 6,114,152,371.04/88,626.65
  6. Step 6: Final answer
    x = 68,987.74

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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.