Home / 80,953.38-111,665.16-52,262.02

Finding the Fourth Proportional to 80,953.38, 111,665.16 and 52,262.02

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Solution

The fourth proportional to 80,953.38, 111,665.16 and 52,262.02 is: 72,088.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,953.38 : 111,665.16 = 52,262.02 : x
  2. Step 2: Convert to fraction form
    80,953.38/111,665.16 = 52,262.02/x
  3. Step 3: Cross multiply
    80,953.38x = 111,665.16 × 52,262.02
  4. Step 4: Simplify right side
    80,953.38x = 5,835,846,825.22
  5. Step 5: Solve for x
    x = 5,835,846,825.22/80,953.38
  6. Step 6: Final answer
    x = 72,088.98

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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.