Home / 114,740.69-158,341.64-63,761.72

Finding the Fourth Proportional to 114,740.69, 158,341.64 and 63,761.72

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Solution

The fourth proportional to 114,740.69, 158,341.64 and 63,761.72 is: 87,990.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,740.69 : 158,341.64 = 63,761.72 : x
  2. Step 2: Convert to fraction form
    114,740.69/158,341.64 = 63,761.72/x
  3. Step 3: Cross multiply
    114,740.69x = 158,341.64 × 63,761.72
  4. Step 4: Simplify right side
    114,740.69x = 10,096,134,203.50
  5. Step 5: Solve for x
    x = 10,096,134,203.50/114,740.69
  6. Step 6: Final answer
    x = 87,990.88

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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.