Home / 84,787.94-116,983.36-54,590.74

Finding the Fourth Proportional to 84,787.94, 116,983.36 and 54,590.74

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Solution

The fourth proportional to 84,787.94, 116,983.36 and 54,590.74 is: 75,319.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,787.94 : 116,983.36 = 54,590.74 : x
  2. Step 2: Convert to fraction form
    84,787.94/116,983.36 = 54,590.74/x
  3. Step 3: Cross multiply
    84,787.94x = 116,983.36 × 54,590.74
  4. Step 4: Simplify right side
    84,787.94x = 6,386,208,190.09
  5. Step 5: Solve for x
    x = 6,386,208,190.09/84,787.94
  6. Step 6: Final answer
    x = 75,319.77

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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.