Home / 86,636.08-129,878.19-41,635.02

Finding the Fourth Proportional to 86,636.08, 129,878.19 and 41,635.02

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Solution

The fourth proportional to 86,636.08, 129,878.19 and 41,635.02 is: 62,416.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,636.08 : 129,878.19 = 41,635.02 : x
  2. Step 2: Convert to fraction form
    86,636.08/129,878.19 = 41,635.02/x
  3. Step 3: Cross multiply
    86,636.08x = 129,878.19 × 41,635.02
  4. Step 4: Simplify right side
    86,636.08x = 5,407,481,038.21
  5. Step 5: Solve for x
    x = 5,407,481,038.21/86,636.08
  6. Step 6: Final answer
    x = 62,416.04

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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.