Home / 109,619.24-164,446.08-46,439.56

Finding the Fourth Proportional to 109,619.24, 164,446.08 and 46,439.56

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Solution

The fourth proportional to 109,619.24, 164,446.08 and 46,439.56 is: 69,666.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,619.24 : 164,446.08 = 46,439.56 : x
  2. Step 2: Convert to fraction form
    109,619.24/164,446.08 = 46,439.56/x
  3. Step 3: Cross multiply
    109,619.24x = 164,446.08 × 46,439.56
  4. Step 4: Simplify right side
    109,619.24x = 7,636,803,598.92
  5. Step 5: Solve for x
    x = 7,636,803,598.92/109,619.24
  6. Step 6: Final answer
    x = 69,666.64

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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.