Home / 118,699.63-163,800.56-64,983.31

Finding the Fourth Proportional to 118,699.63, 163,800.56 and 64,983.31

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Solution

The fourth proportional to 118,699.63, 163,800.56 and 64,983.31 is: 89,674.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,699.63 : 163,800.56 = 64,983.31 : x
  2. Step 2: Convert to fraction form
    118,699.63/163,800.56 = 64,983.31/x
  3. Step 3: Cross multiply
    118,699.63x = 163,800.56 × 64,983.31
  4. Step 4: Simplify right side
    118,699.63x = 10,644,302,243.74
  5. Step 5: Solve for x
    x = 10,644,302,243.74/118,699.63
  6. Step 6: Final answer
    x = 89,674.27

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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.