Home / 66,989.34-92,426.35-43,129.83

Finding the Fourth Proportional to 66,989.34, 92,426.35 and 43,129.83

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Solution

The fourth proportional to 66,989.34, 92,426.35 and 43,129.83 is: 59,506.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,989.34 : 92,426.35 = 43,129.83 : x
  2. Step 2: Convert to fraction form
    66,989.34/92,426.35 = 43,129.83/x
  3. Step 3: Cross multiply
    66,989.34x = 92,426.35 × 43,129.83
  4. Step 4: Simplify right side
    66,989.34x = 3,986,332,763.02
  5. Step 5: Solve for x
    x = 3,986,332,763.02/66,989.34
  6. Step 6: Final answer
    x = 59,506.97

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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.