Home / 109,707.84-164,463.23-39,570.75

Finding the Fourth Proportional to 109,707.84, 164,463.23 and 39,570.75

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Solution

The fourth proportional to 109,707.84, 164,463.23 and 39,570.75 is: 59,320.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,707.84 : 164,463.23 = 39,570.75 : x
  2. Step 2: Convert to fraction form
    109,707.84/164,463.23 = 39,570.75/x
  3. Step 3: Cross multiply
    109,707.84x = 164,463.23 × 39,570.75
  4. Step 4: Simplify right side
    109,707.84x = 6,507,933,160.67
  5. Step 5: Solve for x
    x = 6,507,933,160.67/109,707.84
  6. Step 6: Final answer
    x = 59,320.58

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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.