Home / 99,434.36-149,043.40-49,551.32

Finding the Fourth Proportional to 99,434.36, 149,043.40 and 49,551.32

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Solution

The fourth proportional to 99,434.36, 149,043.40 and 49,551.32 is: 74,273.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,434.36 : 149,043.40 = 49,551.32 : x
  2. Step 2: Convert to fraction form
    99,434.36/149,043.40 = 49,551.32/x
  3. Step 3: Cross multiply
    99,434.36x = 149,043.40 × 49,551.32
  4. Step 4: Simplify right side
    99,434.36x = 7,385,297,207.29
  5. Step 5: Solve for x
    x = 7,385,297,207.29/99,434.36
  6. Step 6: Final answer
    x = 74,273.09

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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.