Home / 117,069.19-161,555.96-63,354.20

Finding the Fourth Proportional to 117,069.19, 161,555.96 and 63,354.20

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Solution

The fourth proportional to 117,069.19, 161,555.96 and 63,354.20 is: 87,429.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,069.19 : 161,555.96 = 63,354.20 : x
  2. Step 2: Convert to fraction form
    117,069.19/161,555.96 = 63,354.20/x
  3. Step 3: Cross multiply
    117,069.19x = 161,555.96 × 63,354.20
  4. Step 4: Simplify right side
    117,069.19x = 10,235,247,951.64
  5. Step 5: Solve for x
    x = 10,235,247,951.64/117,069.19
  6. Step 6: Final answer
    x = 87,429.05

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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.