Home / 104,717.50-144,508.56-56,969.75

Finding the Fourth Proportional to 104,717.50, 144,508.56 and 56,969.75

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Solution

The fourth proportional to 104,717.50, 144,508.56 and 56,969.75 is: 78,617.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,717.50 : 144,508.56 = 56,969.75 : x
  2. Step 2: Convert to fraction form
    104,717.50/144,508.56 = 56,969.75/x
  3. Step 3: Cross multiply
    104,717.50x = 144,508.56 × 56,969.75
  4. Step 4: Simplify right side
    104,717.50x = 8,232,616,683.69
  5. Step 5: Solve for x
    x = 8,232,616,683.69/104,717.50
  6. Step 6: Final answer
    x = 78,617.39

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1.5x scale

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.