Home / 58,664.16-87,996.20-21,215.46

Finding the Fourth Proportional to 58,664.16, 87,996.20 and 21,215.46

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Solution

The fourth proportional to 58,664.16, 87,996.20 and 21,215.46 is: 31,823.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,664.16 : 87,996.20 = 21,215.46 : x
  2. Step 2: Convert to fraction form
    58,664.16/87,996.20 = 21,215.46/x
  3. Step 3: Cross multiply
    58,664.16x = 87,996.20 × 21,215.46
  4. Step 4: Simplify right side
    58,664.16x = 1,866,879,755.17
  5. Step 5: Solve for x
    x = 1,866,879,755.17/58,664.16
  6. Step 6: Final answer
    x = 31,823.17

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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.