Home / 99,923.12-149,840.72-53,164.88

Finding the Fourth Proportional to 99,923.12, 149,840.72 and 53,164.88

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Solution

The fourth proportional to 99,923.12, 149,840.72 and 53,164.88 is: 79,723.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,923.12 : 149,840.72 = 53,164.88 : x
  2. Step 2: Convert to fraction form
    99,923.12/149,840.72 = 53,164.88/x
  3. Step 3: Cross multiply
    99,923.12x = 149,840.72 × 53,164.88
  4. Step 4: Simplify right side
    99,923.12x = 7,966,263,897.91
  5. Step 5: Solve for x
    x = 7,966,263,897.91/99,923.12
  6. Step 6: Final answer
    x = 79,723.93

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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.