Home / 99,664.20-149,496.30-57,544.20

Finding the Fourth Proportional to 99,664.20, 149,496.30 and 57,544.20

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Solution

The fourth proportional to 99,664.20, 149,496.30 and 57,544.20 is: 86,316.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,664.20 : 149,496.30 = 57,544.20 : x
  2. Step 2: Convert to fraction form
    99,664.20/149,496.30 = 57,544.20/x
  3. Step 3: Cross multiply
    99,664.20x = 149,496.30 × 57,544.20
  4. Step 4: Simplify right side
    99,664.20x = 8,602,644,986.46
  5. Step 5: Solve for x
    x = 8,602,644,986.46/99,664.20
  6. Step 6: Final answer
    x = 86,316.30

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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.