Home / 72,246.43-99,700.67-42,049.23

Finding the Fourth Proportional to 72,246.43, 99,700.67 and 42,049.23

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Solution

The fourth proportional to 72,246.43, 99,700.67 and 42,049.23 is: 58,028.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,246.43 : 99,700.67 = 42,049.23 : x
  2. Step 2: Convert to fraction form
    72,246.43/99,700.67 = 42,049.23/x
  3. Step 3: Cross multiply
    72,246.43x = 99,700.67 × 42,049.23
  4. Step 4: Simplify right side
    72,246.43x = 4,192,336,135.23
  5. Step 5: Solve for x
    x = 4,192,336,135.23/72,246.43
  6. Step 6: Final answer
    x = 58,028.28

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1.5x scale

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.