Home / 104,930.79-144,787.95-58,981.38

Finding the Fourth Proportional to 104,930.79, 144,787.95 and 58,981.38

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Solution

The fourth proportional to 104,930.79, 144,787.95 and 58,981.38 is: 81,385.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,930.79 : 144,787.95 = 58,981.38 : x
  2. Step 2: Convert to fraction form
    104,930.79/144,787.95 = 58,981.38/x
  3. Step 3: Cross multiply
    104,930.79x = 144,787.95 × 58,981.38
  4. Step 4: Simplify right side
    104,930.79x = 8,539,793,098.37
  5. Step 5: Solve for x
    x = 8,539,793,098.37/104,930.79
  6. Step 6: Final answer
    x = 81,385.01

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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.