Home / 117,065.08-161,539.61-68,676.76

Finding the Fourth Proportional to 117,065.08, 161,539.61 and 68,676.76

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Solution

The fourth proportional to 117,065.08, 161,539.61 and 68,676.76 is: 94,767.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,065.08 : 161,539.61 = 68,676.76 : x
  2. Step 2: Convert to fraction form
    117,065.08/161,539.61 = 68,676.76/x
  3. Step 3: Cross multiply
    117,065.08x = 161,539.61 × 68,676.76
  4. Step 4: Simplify right side
    117,065.08x = 11,094,017,026.46
  5. Step 5: Solve for x
    x = 11,094,017,026.46/117,065.08
  6. Step 6: Final answer
    x = 94,767.94

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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.