Home / 117,334.14-161,919.56-63,618.01

Finding the Fourth Proportional to 117,334.14, 161,919.56 and 63,618.01

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Solution

The fourth proportional to 117,334.14, 161,919.56 and 63,618.01 is: 87,792.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,334.14 : 161,919.56 = 63,618.01 : x
  2. Step 2: Convert to fraction form
    117,334.14/161,919.56 = 63,618.01/x
  3. Step 3: Cross multiply
    117,334.14x = 161,919.56 × 63,618.01
  4. Step 4: Simplify right side
    117,334.14x = 10,300,999,583.67
  5. Step 5: Solve for x
    x = 10,300,999,583.67/117,334.14
  6. Step 6: Final answer
    x = 87,792.00

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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.