Home / 96,279.12-132,898.64-66,164.16

Finding the Fourth Proportional to 96,279.12, 132,898.64 and 66,164.16

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Solution

The fourth proportional to 96,279.12, 132,898.64 and 66,164.16 is: 91,329.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,279.12 : 132,898.64 = 66,164.16 : x
  2. Step 2: Convert to fraction form
    96,279.12/132,898.64 = 66,164.16/x
  3. Step 3: Cross multiply
    96,279.12x = 132,898.64 × 66,164.16
  4. Step 4: Simplify right side
    96,279.12x = 8,793,126,880.74
  5. Step 5: Solve for x
    x = 8,793,126,880.74/96,279.12
  6. Step 6: Final answer
    x = 91,329.53

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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.