Home / 117,069.05-161,555.27-63,354.07

Finding the Fourth Proportional to 117,069.05, 161,555.27 and 63,354.07

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Solution

The fourth proportional to 117,069.05, 161,555.27 and 63,354.07 is: 87,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,069.05 : 161,555.27 = 63,354.07 : x
  2. Step 2: Convert to fraction form
    117,069.05/161,555.27 = 63,354.07/x
  3. Step 3: Cross multiply
    117,069.05x = 161,555.27 × 63,354.07
  4. Step 4: Simplify right side
    117,069.05x = 10,235,183,638.95
  5. Step 5: Solve for x
    x = 10,235,183,638.95/117,069.05
  6. Step 6: Final answer
    x = 87,428.60

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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.