Home / 88,905.63-133,338.49-25,711.66

Finding the Fourth Proportional to 88,905.63, 133,338.49 and 25,711.66

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Solution

The fourth proportional to 88,905.63, 133,338.49 and 25,711.66 is: 38,561.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,905.63 : 133,338.49 = 25,711.66 : x
  2. Step 2: Convert to fraction form
    88,905.63/133,338.49 = 25,711.66/x
  3. Step 3: Cross multiply
    88,905.63x = 133,338.49 × 25,711.66
  4. Step 4: Simplify right side
    88,905.63x = 3,428,354,022.19
  5. Step 5: Solve for x
    x = 3,428,354,022.19/88,905.63
  6. Step 6: Final answer
    x = 38,561.72

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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.