Home / 118,089.12-177,236.16-61,968.96

Finding the Fourth Proportional to 118,089.12, 177,236.16 and 61,968.96

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Solution

The fourth proportional to 118,089.12, 177,236.16 and 61,968.96 is: 93,007.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,089.12 : 177,236.16 = 61,968.96 : x
  2. Step 2: Convert to fraction form
    118,089.12/177,236.16 = 61,968.96/x
  3. Step 3: Cross multiply
    118,089.12x = 177,236.16 × 61,968.96
  4. Step 4: Simplify right side
    118,089.12x = 10,983,140,509.59
  5. Step 5: Solve for x
    x = 10,983,140,509.59/118,089.12
  6. Step 6: Final answer
    x = 93,007.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.