Home / 88,911.81-133,471.89-70,204.46

Finding the Fourth Proportional to 88,911.81, 133,471.89 and 70,204.46

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Solution

The fourth proportional to 88,911.81, 133,471.89 and 70,204.46 is: 105,388.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,911.81 : 133,471.89 = 70,204.46 : x
  2. Step 2: Convert to fraction form
    88,911.81/133,471.89 = 70,204.46/x
  3. Step 3: Cross multiply
    88,911.81x = 133,471.89 × 70,204.46
  4. Step 4: Simplify right side
    88,911.81x = 9,370,321,295.27
  5. Step 5: Solve for x
    x = 9,370,321,295.27/88,911.81
  6. Step 6: Final answer
    x = 105,388.94

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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.