Home / 106,421.52-146,858.88-58,673.64

Finding the Fourth Proportional to 106,421.52, 146,858.88 and 58,673.64

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Solution

The fourth proportional to 106,421.52, 146,858.88 and 58,673.64 is: 80,968.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,421.52 : 146,858.88 = 58,673.64 : x
  2. Step 2: Convert to fraction form
    106,421.52/146,858.88 = 58,673.64/x
  3. Step 3: Cross multiply
    106,421.52x = 146,858.88 × 58,673.64
  4. Step 4: Simplify right side
    106,421.52x = 8,616,744,321.63
  5. Step 5: Solve for x
    x = 8,616,744,321.63/106,421.52
  6. Step 6: Final answer
    x = 80,968.07

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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.