Home / 117,000.92-161,447.37-66,010.67

Finding the Fourth Proportional to 117,000.92, 161,447.37 and 66,010.67

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Solution

The fourth proportional to 117,000.92, 161,447.37 and 66,010.67 is: 91,086.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,000.92 : 161,447.37 = 66,010.67 : x
  2. Step 2: Convert to fraction form
    117,000.92/161,447.37 = 66,010.67/x
  3. Step 3: Cross multiply
    117,000.92x = 161,447.37 × 66,010.67
  4. Step 4: Simplify right side
    117,000.92x = 10,657,248,256.20
  5. Step 5: Solve for x
    x = 10,657,248,256.20/117,000.92
  6. Step 6: Final answer
    x = 91,086.88

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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.