Home / 114,979.18-158,669.68-63,991.89

Finding the Fourth Proportional to 114,979.18, 158,669.68 and 63,991.89

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Solution

The fourth proportional to 114,979.18, 158,669.68 and 63,991.89 is: 88,307.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,979.18 : 158,669.68 = 63,991.89 : x
  2. Step 2: Convert to fraction form
    114,979.18/158,669.68 = 63,991.89/x
  3. Step 3: Cross multiply
    114,979.18x = 158,669.68 × 63,991.89
  4. Step 4: Simplify right side
    114,979.18x = 10,153,572,388.94
  5. Step 5: Solve for x
    x = 10,153,572,388.94/114,979.18
  6. Step 6: Final answer
    x = 88,307.93

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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.