Home / 104,763.43-144,573.53-57,017.12

Finding the Fourth Proportional to 104,763.43, 144,573.53 and 57,017.12

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Solution

The fourth proportional to 104,763.43, 144,573.53 and 57,017.12 is: 78,683.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,763.43 : 144,573.53 = 57,017.12 : x
  2. Step 2: Convert to fraction form
    104,763.43/144,573.53 = 57,017.12/x
  3. Step 3: Cross multiply
    104,763.43x = 144,573.53 × 57,017.12
  4. Step 4: Simplify right side
    104,763.43x = 8,243,166,308.83
  5. Step 5: Solve for x
    x = 8,243,166,308.83/104,763.43
  6. Step 6: Final answer
    x = 78,683.62

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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.