Home / 89,703.90-134,567.58-30,523.68

Finding the Fourth Proportional to 89,703.90, 134,567.58 and 30,523.68

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Solution

The fourth proportional to 89,703.90, 134,567.58 and 30,523.68 is: 45,789.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,703.90 : 134,567.58 = 30,523.68 : x
  2. Step 2: Convert to fraction form
    89,703.90/134,567.58 = 30,523.68/x
  3. Step 3: Cross multiply
    89,703.90x = 134,567.58 × 30,523.68
  4. Step 4: Simplify right side
    89,703.90x = 4,107,497,750.29
  5. Step 5: Solve for x
    x = 4,107,497,750.29/89,703.90
  6. Step 6: Final answer
    x = 45,789.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.