Home / 57,721.15-86,581.77-46,108.18

Finding the Fourth Proportional to 57,721.15, 86,581.77 and 46,108.18

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Solution

The fourth proportional to 57,721.15, 86,581.77 and 46,108.18 is: 69,162.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,721.15 : 86,581.77 = 46,108.18 : x
  2. Step 2: Convert to fraction form
    57,721.15/86,581.77 = 46,108.18/x
  3. Step 3: Cross multiply
    57,721.15x = 86,581.77 × 46,108.18
  4. Step 4: Simplify right side
    57,721.15x = 3,992,127,835.88
  5. Step 5: Solve for x
    x = 3,992,127,835.88/57,721.15
  6. Step 6: Final answer
    x = 69,162.31

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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.