Home / 75,636.66-104,381.08-41,647.64

Finding the Fourth Proportional to 75,636.66, 104,381.08 and 41,647.64

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Solution

The fourth proportional to 75,636.66, 104,381.08 and 41,647.64 is: 57,475.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,636.66 : 104,381.08 = 41,647.64 : x
  2. Step 2: Convert to fraction form
    75,636.66/104,381.08 = 41,647.64/x
  3. Step 3: Cross multiply
    75,636.66x = 104,381.08 × 41,647.64
  4. Step 4: Simplify right side
    75,636.66x = 4,347,225,799.48
  5. Step 5: Solve for x
    x = 4,347,225,799.48/75,636.66
  6. Step 6: Final answer
    x = 57,475.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.