Home / 117,551.60-162,223.09-66,562.95

Finding the Fourth Proportional to 117,551.60, 162,223.09 and 66,562.95

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Solution

The fourth proportional to 117,551.60, 162,223.09 and 66,562.95 is: 91,857.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,551.60 : 162,223.09 = 66,562.95 : x
  2. Step 2: Convert to fraction form
    117,551.60/162,223.09 = 66,562.95/x
  3. Step 3: Cross multiply
    117,551.60x = 162,223.09 × 66,562.95
  4. Step 4: Simplify right side
    117,551.60x = 10,798,047,428.52
  5. Step 5: Solve for x
    x = 10,798,047,428.52/117,551.60
  6. Step 6: Final answer
    x = 91,857.94

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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.