Home / 109,581.84-151,221.46-61,184.51

Finding the Fourth Proportional to 109,581.84, 151,221.46 and 61,184.51

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Solution

The fourth proportional to 109,581.84, 151,221.46 and 61,184.51 is: 84,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,581.84 : 151,221.46 = 61,184.51 : x
  2. Step 2: Convert to fraction form
    109,581.84/151,221.46 = 61,184.51/x
  3. Step 3: Cross multiply
    109,581.84x = 151,221.46 × 61,184.51
  4. Step 4: Simplify right side
    109,581.84x = 9,252,410,931.58
  5. Step 5: Solve for x
    x = 9,252,410,931.58/109,581.84
  6. Step 6: Final answer
    x = 84,433.80

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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.