Home / 61,673.08-85,145.52-40,489.48

Finding the Fourth Proportional to 61,673.08, 85,145.52 and 40,489.48

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Solution

The fourth proportional to 61,673.08, 85,145.52 and 40,489.48 is: 55,899.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,673.08 : 85,145.52 = 40,489.48 : x
  2. Step 2: Convert to fraction form
    61,673.08/85,145.52 = 40,489.48/x
  3. Step 3: Cross multiply
    61,673.08x = 85,145.52 × 40,489.48
  4. Step 4: Simplify right side
    61,673.08x = 3,447,497,829.13
  5. Step 5: Solve for x
    x = 3,447,497,829.13/61,673.08
  6. Step 6: Final answer
    x = 55,899.56

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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.