Home / 94,072.86-129,811.95-53,785.35

Finding the Fourth Proportional to 94,072.86, 129,811.95 and 53,785.35

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Solution

The fourth proportional to 94,072.86, 129,811.95 and 53,785.35 is: 74,218.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,072.86 : 129,811.95 = 53,785.35 : x
  2. Step 2: Convert to fraction form
    94,072.86/129,811.95 = 53,785.35/x
  3. Step 3: Cross multiply
    94,072.86x = 129,811.95 × 53,785.35
  4. Step 4: Simplify right side
    94,072.86x = 6,981,981,164.93
  5. Step 5: Solve for x
    x = 6,981,981,164.93/94,072.86
  6. Step 6: Final answer
    x = 74,218.87

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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.