Home / 96,001.40-143,807.70-54,399.80

Finding the Fourth Proportional to 96,001.40, 143,807.70 and 54,399.80

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Solution

The fourth proportional to 96,001.40, 143,807.70 and 54,399.80 is: 81,489.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,001.40 : 143,807.70 = 54,399.80 : x
  2. Step 2: Convert to fraction form
    96,001.40/143,807.70 = 54,399.80/x
  3. Step 3: Cross multiply
    96,001.40x = 143,807.70 × 54,399.80
  4. Step 4: Simplify right side
    96,001.40x = 7,823,110,118.46
  5. Step 5: Solve for x
    x = 7,823,110,118.46/96,001.40
  6. Step 6: Final answer
    x = 81,489.54

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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.