Home / 117,099.09-161,597.16-63,384.75

Finding the Fourth Proportional to 117,099.09, 161,597.16 and 63,384.75

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Solution

The fourth proportional to 117,099.09, 161,597.16 and 63,384.75 is: 87,471.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,099.09 : 161,597.16 = 63,384.75 : x
  2. Step 2: Convert to fraction form
    117,099.09/161,597.16 = 63,384.75/x
  3. Step 3: Cross multiply
    117,099.09x = 161,597.16 × 63,384.75
  4. Step 4: Simplify right side
    117,099.09x = 10,242,795,587.31
  5. Step 5: Solve for x
    x = 10,242,795,587.31/117,099.09
  6. Step 6: Final answer
    x = 87,471.18

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1.5x scale

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.