Home / 117,023.10-161,496.45-68,618.30

Finding the Fourth Proportional to 117,023.10, 161,496.45 and 68,618.30

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Solution

The fourth proportional to 117,023.10, 161,496.45 and 68,618.30 is: 94,695.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,023.10 : 161,496.45 = 68,618.30 : x
  2. Step 2: Convert to fraction form
    117,023.10/161,496.45 = 68,618.30/x
  3. Step 3: Cross multiply
    117,023.10x = 161,496.45 × 68,618.30
  4. Step 4: Simplify right side
    117,023.10x = 11,081,611,047.55
  5. Step 5: Solve for x
    x = 11,081,611,047.55/117,023.10
  6. Step 6: Final answer
    x = 94,695.93

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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.