Home / 117,008.94-161,421.05-68,586.32

Finding the Fourth Proportional to 117,008.94, 161,421.05 and 68,586.32

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Solution

The fourth proportional to 117,008.94, 161,421.05 and 68,586.32 is: 94,619.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,008.94 : 161,421.05 = 68,586.32 : x
  2. Step 2: Convert to fraction form
    117,008.94/161,421.05 = 68,586.32/x
  3. Step 3: Cross multiply
    117,008.94x = 161,421.05 × 68,586.32
  4. Step 4: Simplify right side
    117,008.94x = 11,071,275,790.04
  5. Step 5: Solve for x
    x = 11,071,275,790.04/117,008.94
  6. Step 6: Final answer
    x = 94,619.06

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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.