Home / 117,561.70-162,253.47-66,577.06

Finding the Fourth Proportional to 117,561.70, 162,253.47 and 66,577.06

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Solution

The fourth proportional to 117,561.70, 162,253.47 and 66,577.06 is: 91,886.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,561.70 : 162,253.47 = 66,577.06 : x
  2. Step 2: Convert to fraction form
    117,561.70/162,253.47 = 66,577.06/x
  3. Step 3: Cross multiply
    117,561.70x = 162,253.47 × 66,577.06
  4. Step 4: Simplify right side
    117,561.70x = 10,802,359,007.40
  5. Step 5: Solve for x
    x = 10,802,359,007.40/117,561.70
  6. Step 6: Final answer
    x = 91,886.72

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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.