Home / 104,581.71-144,318.78-56,834.01

Finding the Fourth Proportional to 104,581.71, 144,318.78 and 56,834.01

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Solution

The fourth proportional to 104,581.71, 144,318.78 and 56,834.01 is: 78,428.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,581.71 : 144,318.78 = 56,834.01 : x
  2. Step 2: Convert to fraction form
    104,581.71/144,318.78 = 56,834.01/x
  3. Step 3: Cross multiply
    104,581.71x = 144,318.78 × 56,834.01
  4. Step 4: Simplify right side
    104,581.71x = 8,202,214,985.71
  5. Step 5: Solve for x
    x = 8,202,214,985.71/104,581.71
  6. Step 6: Final answer
    x = 78,428.77

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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.