Home / 96,279.12-132,857.64-53,829.45

Finding the Fourth Proportional to 96,279.12, 132,857.64 and 53,829.45

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Solution

The fourth proportional to 96,279.12, 132,857.64 and 53,829.45 is: 74,280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,279.12 : 132,857.64 = 53,829.45 : x
  2. Step 2: Convert to fraction form
    96,279.12/132,857.64 = 53,829.45/x
  3. Step 3: Cross multiply
    96,279.12x = 132,857.64 × 53,829.45
  4. Step 4: Simplify right side
    96,279.12x = 7,151,653,689.50
  5. Step 5: Solve for x
    x = 7,151,653,689.50/96,279.12
  6. Step 6: Final answer
    x = 74,280.42

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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.