Home / 99,009.10-148,512.30-32,451.40

Finding the Fourth Proportional to 99,009.10, 148,512.30 and 32,451.40

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Solution

The fourth proportional to 99,009.10, 148,512.30 and 32,451.40 is: 48,676.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,009.10 : 148,512.30 = 32,451.40 : x
  2. Step 2: Convert to fraction form
    99,009.10/148,512.30 = 32,451.40/x
  3. Step 3: Cross multiply
    99,009.10x = 148,512.30 × 32,451.40
  4. Step 4: Simplify right side
    99,009.10x = 4,819,432,052.22
  5. Step 5: Solve for x
    x = 4,819,432,052.22/99,009.10
  6. Step 6: Final answer
    x = 48,676.66

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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.