Home / 99,040.80-148,579.20-32,462.40

Finding the Fourth Proportional to 99,040.80, 148,579.20 and 32,462.40

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Solution

The fourth proportional to 99,040.80, 148,579.20 and 32,462.40 is: 48,699.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,040.80 : 148,579.20 = 32,462.40 : x
  2. Step 2: Convert to fraction form
    99,040.80/148,579.20 = 32,462.40/x
  3. Step 3: Cross multiply
    99,040.80x = 148,579.20 × 32,462.40
  4. Step 4: Simplify right side
    99,040.80x = 4,823,237,422.08
  5. Step 5: Solve for x
    x = 4,823,237,422.08/99,040.80
  6. Step 6: Final answer
    x = 48,699.50

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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.