Home / 114,740.76-158,341.96-63,753.28

Finding the Fourth Proportional to 114,740.76, 158,341.96 and 63,753.28

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Solution

The fourth proportional to 114,740.76, 158,341.96 and 63,753.28 is: 87,979.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,740.76 : 158,341.96 = 63,753.28 : x
  2. Step 2: Convert to fraction form
    114,740.76/158,341.96 = 63,753.28/x
  3. Step 3: Cross multiply
    114,740.76x = 158,341.96 × 63,753.28
  4. Step 4: Simplify right side
    114,740.76x = 10,094,819,311.63
  5. Step 5: Solve for x
    x = 10,094,819,311.63/114,740.76
  6. Step 6: Final answer
    x = 87,979.37

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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.