Home / 55,785.85-83,678.78-16,342.97

Finding the Fourth Proportional to 55,785.85, 83,678.78 and 16,342.97

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Solution

The fourth proportional to 55,785.85, 83,678.78 and 16,342.97 is: 24,514.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,785.85 : 83,678.78 = 16,342.97 : x
  2. Step 2: Convert to fraction form
    55,785.85/83,678.78 = 16,342.97/x
  3. Step 3: Cross multiply
    55,785.85x = 83,678.78 × 16,342.97
  4. Step 4: Simplify right side
    55,785.85x = 1,367,559,333.20
  5. Step 5: Solve for x
    x = 1,367,559,333.20/55,785.85
  6. Step 6: Final answer
    x = 24,514.45

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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.