Home / 66,945.40-92,447.13-43,113.58

Finding the Fourth Proportional to 66,945.40, 92,447.13 and 43,113.58

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Solution

The fourth proportional to 66,945.40, 92,447.13 and 43,113.58 is: 59,536.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,945.40 : 92,447.13 = 43,113.58 : x
  2. Step 2: Convert to fraction form
    66,945.40/92,447.13 = 43,113.58/x
  3. Step 3: Cross multiply
    66,945.40x = 92,447.13 × 43,113.58
  4. Step 4: Simplify right side
    66,945.40x = 3,985,726,735.03
  5. Step 5: Solve for x
    x = 3,985,726,735.03/66,945.40
  6. Step 6: Final answer
    x = 59,536.98

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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.