Home / 118,581.24-177,871.86-56,217.72

Finding the Fourth Proportional to 118,581.24, 177,871.86 and 56,217.72

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Solution

The fourth proportional to 118,581.24, 177,871.86 and 56,217.72 is: 84,326.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,581.24 : 177,871.86 = 56,217.72 : x
  2. Step 2: Convert to fraction form
    118,581.24/177,871.86 = 56,217.72/x
  3. Step 3: Cross multiply
    118,581.24x = 177,871.86 × 56,217.72
  4. Step 4: Simplify right side
    118,581.24x = 9,999,550,421.36
  5. Step 5: Solve for x
    x = 9,999,550,421.36/118,581.24
  6. Step 6: Final answer
    x = 84,326.58

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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.