Home / 109,880.84-151,654.98-64,558.81

Finding the Fourth Proportional to 109,880.84, 151,654.98 and 64,558.81

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Solution

The fourth proportional to 109,880.84, 151,654.98 and 64,558.81 is: 89,102.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,880.84 : 151,654.98 = 64,558.81 : x
  2. Step 2: Convert to fraction form
    109,880.84/151,654.98 = 64,558.81/x
  3. Step 3: Cross multiply
    109,880.84x = 151,654.98 × 64,558.81
  4. Step 4: Simplify right side
    109,880.84x = 9,790,664,254.84
  5. Step 5: Solve for x
    x = 9,790,664,254.84/109,880.84
  6. Step 6: Final answer
    x = 89,102.56

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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.