Home / 83,819.79-115,671.04-47,026.07

Finding the Fourth Proportional to 83,819.79, 115,671.04 and 47,026.07

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Solution

The fourth proportional to 83,819.79, 115,671.04 and 47,026.07 is: 64,895.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,819.79 : 115,671.04 = 47,026.07 : x
  2. Step 2: Convert to fraction form
    83,819.79/115,671.04 = 47,026.07/x
  3. Step 3: Cross multiply
    83,819.79x = 115,671.04 × 47,026.07
  4. Step 4: Simplify right side
    83,819.79x = 5,439,554,161.86
  5. Step 5: Solve for x
    x = 5,439,554,161.86/83,819.79
  6. Step 6: Final answer
    x = 64,895.82

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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.