Home / 64,687.09-89,259.73-36,007.95

Finding the Fourth Proportional to 64,687.09, 89,259.73 and 36,007.95

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Solution

The fourth proportional to 64,687.09, 89,259.73 and 36,007.95 is: 49,686.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,687.09 : 89,259.73 = 36,007.95 : x
  2. Step 2: Convert to fraction form
    64,687.09/89,259.73 = 36,007.95/x
  3. Step 3: Cross multiply
    64,687.09x = 89,259.73 × 36,007.95
  4. Step 4: Simplify right side
    64,687.09x = 3,214,059,714.81
  5. Step 5: Solve for x
    x = 3,214,059,714.81/64,687.09
  6. Step 6: Final answer
    x = 49,686.27

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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.