Home / 109,826.64-151,558.95-61,429.69

Finding the Fourth Proportional to 109,826.64, 151,558.95 and 61,429.69

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Solution

The fourth proportional to 109,826.64, 151,558.95 and 61,429.69 is: 84,771.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,826.64 : 151,558.95 = 61,429.69 : x
  2. Step 2: Convert to fraction form
    109,826.64/151,558.95 = 61,429.69/x
  3. Step 3: Cross multiply
    109,826.64x = 151,558.95 × 61,429.69
  4. Step 4: Simplify right side
    109,826.64x = 9,310,220,019.21
  5. Step 5: Solve for x
    x = 9,310,220,019.21/109,826.64
  6. Step 6: Final answer
    x = 84,771.97

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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.