Home / 99,015.60-148,546.20-39,853.20

Finding the Fourth Proportional to 99,015.60, 148,546.20 and 39,853.20

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Solution

The fourth proportional to 99,015.60, 148,546.20 and 39,853.20 is: 59,788.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,015.60 : 148,546.20 = 39,853.20 : x
  2. Step 2: Convert to fraction form
    99,015.60/148,546.20 = 39,853.20/x
  3. Step 3: Cross multiply
    99,015.60x = 148,546.20 × 39,853.20
  4. Step 4: Simplify right side
    99,015.60x = 5,920,041,417.84
  5. Step 5: Solve for x
    x = 5,920,041,417.84/99,015.60
  6. Step 6: Final answer
    x = 59,788.98

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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.