Home / 102,882.56-154,329.86-39,703.01

Finding the Fourth Proportional to 102,882.56, 154,329.86 and 39,703.01

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Solution

The fourth proportional to 102,882.56, 154,329.86 and 39,703.01 is: 59,556.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,882.56 : 154,329.86 = 39,703.01 : x
  2. Step 2: Convert to fraction form
    102,882.56/154,329.86 = 39,703.01/x
  3. Step 3: Cross multiply
    102,882.56x = 154,329.86 × 39,703.01
  4. Step 4: Simplify right side
    102,882.56x = 6,127,359,947.26
  5. Step 5: Solve for x
    x = 6,127,359,947.26/102,882.56
  6. Step 6: Final answer
    x = 59,556.84

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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.