Home / 104,585.49-144,329.09-56,838.83

Finding the Fourth Proportional to 104,585.49, 144,329.09 and 56,838.83

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Solution

The fourth proportional to 104,585.49, 144,329.09 and 56,838.83 is: 78,438.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,585.49 : 144,329.09 = 56,838.83 : x
  2. Step 2: Convert to fraction form
    104,585.49/144,329.09 = 56,838.83/x
  3. Step 3: Cross multiply
    104,585.49x = 144,329.09 × 56,838.83
  4. Step 4: Simplify right side
    104,585.49x = 8,203,495,604.73
  5. Step 5: Solve for x
    x = 8,203,495,604.73/104,585.49
  6. Step 6: Final answer
    x = 78,438.18

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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.