Home / 114,706.15-158,319.78-63,736.39

Finding the Fourth Proportional to 114,706.15, 158,319.78 and 63,736.39

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Solution

The fourth proportional to 114,706.15, 158,319.78 and 63,736.39 is: 87,970.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,706.15 : 158,319.78 = 63,736.39 : x
  2. Step 2: Convert to fraction form
    114,706.15/158,319.78 = 63,736.39/x
  3. Step 3: Cross multiply
    114,706.15x = 158,319.78 × 63,736.39
  4. Step 4: Simplify right side
    114,706.15x = 10,090,731,242.79
  5. Step 5: Solve for x
    x = 10,090,731,242.79/114,706.15
  6. Step 6: Final answer
    x = 87,970.27

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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.