Home / 83,897.84-115,776.60-46,171.28

Finding the Fourth Proportional to 83,897.84, 115,776.60 and 46,171.28

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Solution

The fourth proportional to 83,897.84, 115,776.60 and 46,171.28 is: 63,715.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,897.84 : 115,776.60 = 46,171.28 : x
  2. Step 2: Convert to fraction form
    83,897.84/115,776.60 = 46,171.28/x
  3. Step 3: Cross multiply
    83,897.84x = 115,776.60 × 46,171.28
  4. Step 4: Simplify right side
    83,897.84x = 5,345,553,816.05
  5. Step 5: Solve for x
    x = 5,345,553,816.05/83,897.84
  6. Step 6: Final answer
    x = 63,715.04

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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.