Home / 55,691.72-76,864.66-35,554.86

Finding the Fourth Proportional to 55,691.72, 76,864.66 and 35,554.86

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Solution

The fourth proportional to 55,691.72, 76,864.66 and 35,554.86 is: 49,072.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,691.72 : 76,864.66 = 35,554.86 : x
  2. Step 2: Convert to fraction form
    55,691.72/76,864.66 = 35,554.86/x
  3. Step 3: Cross multiply
    55,691.72x = 76,864.66 × 35,554.86
  4. Step 4: Simplify right side
    55,691.72x = 2,732,912,225.25
  5. Step 5: Solve for x
    x = 2,732,912,225.25/55,691.72
  6. Step 6: Final answer
    x = 49,072.15

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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.