Home / 99,995.42-149,989.16-55,594.10

Finding the Fourth Proportional to 99,995.42, 149,989.16 and 55,594.10

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Solution

The fourth proportional to 99,995.42, 149,989.16 and 55,594.10 is: 83,388.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,995.42 : 149,989.16 = 55,594.10 : x
  2. Step 2: Convert to fraction form
    99,995.42/149,989.16 = 55,594.10/x
  3. Step 3: Cross multiply
    99,995.42x = 149,989.16 × 55,594.10
  4. Step 4: Simplify right side
    99,995.42x = 8,338,512,359.96
  5. Step 5: Solve for x
    x = 8,338,512,359.96/99,995.42
  6. Step 6: Final answer
    x = 83,388.94

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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.