Home / 117,576.84-162,253.70-66,588.74

Finding the Fourth Proportional to 117,576.84, 162,253.70 and 66,588.74

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Solution

The fourth proportional to 117,576.84, 162,253.70 and 66,588.74 is: 91,891.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,576.84 : 162,253.70 = 66,588.74 : x
  2. Step 2: Convert to fraction form
    117,576.84/162,253.70 = 66,588.74/x
  3. Step 3: Cross multiply
    117,576.84x = 162,253.70 × 66,588.74
  4. Step 4: Simplify right side
    117,576.84x = 10,804,269,443.34
  5. Step 5: Solve for x
    x = 10,804,269,443.34/117,576.84
  6. Step 6: Final answer
    x = 91,891.14

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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.