Home / 96,439.81-133,102.70-57,675.10

Finding the Fourth Proportional to 96,439.81, 133,102.70 and 57,675.10

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Solution

The fourth proportional to 96,439.81, 133,102.70 and 57,675.10 is: 79,601.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,439.81 : 133,102.70 = 57,675.10 : x
  2. Step 2: Convert to fraction form
    96,439.81/133,102.70 = 57,675.10/x
  3. Step 3: Cross multiply
    96,439.81x = 133,102.70 × 57,675.10
  4. Step 4: Simplify right side
    96,439.81x = 7,676,711,532.77
  5. Step 5: Solve for x
    x = 7,676,711,532.77/96,439.81
  6. Step 6: Final answer
    x = 79,601.06

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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.