Home / 53,980.72-81,382.13-50,175.34

Finding the Fourth Proportional to 53,980.72, 81,382.13 and 50,175.34

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Solution

The fourth proportional to 53,980.72, 81,382.13 and 50,175.34 is: 75,645.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,980.72 : 81,382.13 = 50,175.34 : x
  2. Step 2: Convert to fraction form
    53,980.72/81,382.13 = 50,175.34/x
  3. Step 3: Cross multiply
    53,980.72x = 81,382.13 × 50,175.34
  4. Step 4: Simplify right side
    53,980.72x = 4,083,376,042.67
  5. Step 5: Solve for x
    x = 4,083,376,042.67/53,980.72
  6. Step 6: Final answer
    x = 75,645.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.