Home / 58,272.49-80,720.62-57,091.51

Finding the Fourth Proportional to 58,272.49, 80,720.62 and 57,091.51

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Solution

The fourth proportional to 58,272.49, 80,720.62 and 57,091.51 is: 79,084.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,272.49 : 80,720.62 = 57,091.51 : x
  2. Step 2: Convert to fraction form
    58,272.49/80,720.62 = 57,091.51/x
  3. Step 3: Cross multiply
    58,272.49x = 80,720.62 × 57,091.51
  4. Step 4: Simplify right side
    58,272.49x = 4,608,462,083.94
  5. Step 5: Solve for x
    x = 4,608,462,083.94/58,272.49
  6. Step 6: Final answer
    x = 79,084.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.