Home / 117,295.28-161,869.56-63,582.08

Finding the Fourth Proportional to 117,295.28, 161,869.56 and 63,582.08

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Solution

The fourth proportional to 117,295.28, 161,869.56 and 63,582.08 is: 87,744.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,295.28 : 161,869.56 = 63,582.08 : x
  2. Step 2: Convert to fraction form
    117,295.28/161,869.56 = 63,582.08/x
  3. Step 3: Cross multiply
    117,295.28x = 161,869.56 × 63,582.08
  4. Step 4: Simplify right side
    117,295.28x = 10,292,003,313.48
  5. Step 5: Solve for x
    x = 10,292,003,313.48/117,295.28
  6. Step 6: Final answer
    x = 87,744.39

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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.