Home / 99,909.36-149,870.88-33,346.80

Finding the Fourth Proportional to 99,909.36, 149,870.88 and 33,346.80

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Solution

The fourth proportional to 99,909.36, 149,870.88 and 33,346.80 is: 50,022.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,909.36 : 149,870.88 = 33,346.80 : x
  2. Step 2: Convert to fraction form
    99,909.36/149,870.88 = 33,346.80/x
  3. Step 3: Cross multiply
    99,909.36x = 149,870.88 × 33,346.80
  4. Step 4: Simplify right side
    99,909.36x = 4,997,714,261.18
  5. Step 5: Solve for x
    x = 4,997,714,261.18/99,909.36
  6. Step 6: Final answer
    x = 50,022.48

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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.