Home / 96,555.40-133,239.16-54,105.76

Finding the Fourth Proportional to 96,555.40, 133,239.16 and 54,105.76

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Solution

The fourth proportional to 96,555.40, 133,239.16 and 54,105.76 is: 74,661.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,555.40 : 133,239.16 = 54,105.76 : x
  2. Step 2: Convert to fraction form
    96,555.40/133,239.16 = 54,105.76/x
  3. Step 3: Cross multiply
    96,555.40x = 133,239.16 × 54,105.76
  4. Step 4: Simplify right side
    96,555.40x = 7,209,006,013.56
  5. Step 5: Solve for x
    x = 7,209,006,013.56/96,555.40
  6. Step 6: Final answer
    x = 74,661.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.