Home / 66,049.97-99,073.67-16,128.72

Finding the Fourth Proportional to 66,049.97, 99,073.67 and 16,128.72

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Solution

The fourth proportional to 66,049.97, 99,073.67 and 16,128.72 is: 24,192.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,049.97 : 99,073.67 = 16,128.72 : x
  2. Step 2: Convert to fraction form
    66,049.97/99,073.67 = 16,128.72/x
  3. Step 3: Cross multiply
    66,049.97x = 99,073.67 × 16,128.72
  4. Step 4: Simplify right side
    66,049.97x = 1,597,931,402.16
  5. Step 5: Solve for x
    x = 1,597,931,402.16/66,049.97
  6. Step 6: Final answer
    x = 24,192.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.