Home / 58,498.16-80,727.48-31,640.66

Finding the Fourth Proportional to 58,498.16, 80,727.48 and 31,640.66

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Solution

The fourth proportional to 58,498.16, 80,727.48 and 31,640.66 is: 43,664.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,498.16 : 80,727.48 = 31,640.66 : x
  2. Step 2: Convert to fraction form
    58,498.16/80,727.48 = 31,640.66/x
  3. Step 3: Cross multiply
    58,498.16x = 80,727.48 × 31,640.66
  4. Step 4: Simplify right side
    58,498.16x = 2,554,270,343.70
  5. Step 5: Solve for x
    x = 2,554,270,343.70/58,498.16
  6. Step 6: Final answer
    x = 43,664.12

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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.