Home / 117,104.52-161,598.60-66,123.12

Finding the Fourth Proportional to 117,104.52, 161,598.60 and 66,123.12

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Solution

The fourth proportional to 117,104.52, 161,598.60 and 66,123.12 is: 91,246.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,104.52 : 161,598.60 = 66,123.12 : x
  2. Step 2: Convert to fraction form
    117,104.52/161,598.60 = 66,123.12/x
  3. Step 3: Cross multiply
    117,104.52x = 161,598.60 × 66,123.12
  4. Step 4: Simplify right side
    117,104.52x = 10,685,403,619.63
  5. Step 5: Solve for x
    x = 10,685,403,619.63/117,104.52
  6. Step 6: Final answer
    x = 91,246.72

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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.