Home / 104,981.57-144,876.75-59,042.09

Finding the Fourth Proportional to 104,981.57, 144,876.75 and 59,042.09

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Solution

The fourth proportional to 104,981.57, 144,876.75 and 59,042.09 is: 81,479.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,981.57 : 144,876.75 = 59,042.09 : x
  2. Step 2: Convert to fraction form
    104,981.57/144,876.75 = 59,042.09/x
  3. Step 3: Cross multiply
    104,981.57x = 144,876.75 × 59,042.09
  4. Step 4: Simplify right side
    104,981.57x = 8,553,826,253.19
  5. Step 5: Solve for x
    x = 8,553,826,253.19/104,981.57
  6. Step 6: Final answer
    x = 81,479.31

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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.