Home / 53,680.70-74,081.22-29,807.77

Finding the Fourth Proportional to 53,680.70, 74,081.22 and 29,807.77

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Solution

The fourth proportional to 53,680.70, 74,081.22 and 29,807.77 is: 41,135.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,680.70 : 74,081.22 = 29,807.77 : x
  2. Step 2: Convert to fraction form
    53,680.70/74,081.22 = 29,807.77/x
  3. Step 3: Cross multiply
    53,680.70x = 74,081.22 × 29,807.77
  4. Step 4: Simplify right side
    53,680.70x = 2,208,196,060.50
  5. Step 5: Solve for x
    x = 2,208,196,060.50/53,680.70
  6. Step 6: Final answer
    x = 41,135.76

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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.