Home / 90,646.49-125,082.53-52,399.98

Finding the Fourth Proportional to 90,646.49, 125,082.53 and 52,399.98

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Solution

The fourth proportional to 90,646.49, 125,082.53 and 52,399.98 is: 72,306.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,646.49 : 125,082.53 = 52,399.98 : x
  2. Step 2: Convert to fraction form
    90,646.49/125,082.53 = 52,399.98/x
  3. Step 3: Cross multiply
    90,646.49x = 125,082.53 × 52,399.98
  4. Step 4: Simplify right side
    90,646.49x = 6,554,322,004.85
  5. Step 5: Solve for x
    x = 6,554,322,004.85/90,646.49
  6. Step 6: Final answer
    x = 72,306.41

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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.