Home / 117,119.61-161,623.73-63,403.46

Finding the Fourth Proportional to 117,119.61, 161,623.73 and 63,403.46

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Solution

The fourth proportional to 117,119.61, 161,623.73 and 63,403.46 is: 87,496.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,119.61 : 161,623.73 = 63,403.46 : x
  2. Step 2: Convert to fraction form
    117,119.61/161,623.73 = 63,403.46/x
  3. Step 3: Cross multiply
    117,119.61x = 161,623.73 × 63,403.46
  4. Step 4: Simplify right side
    117,119.61x = 10,247,502,574.97
  5. Step 5: Solve for x
    x = 10,247,502,574.97/117,119.61
  6. Step 6: Final answer
    x = 87,496.04

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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.