Home / 118,037.17-177,074.16-47,921.41

Finding the Fourth Proportional to 118,037.17, 177,074.16 and 47,921.41

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Solution

The fourth proportional to 118,037.17, 177,074.16 and 47,921.41 is: 71,889.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,037.17 : 177,074.16 = 47,921.41 : x
  2. Step 2: Convert to fraction form
    118,037.17/177,074.16 = 47,921.41/x
  3. Step 3: Cross multiply
    118,037.17x = 177,074.16 × 47,921.41
  4. Step 4: Simplify right side
    118,037.17x = 8,485,643,421.77
  5. Step 5: Solve for x
    x = 8,485,643,421.77/118,037.17
  6. Step 6: Final answer
    x = 71,889.59

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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.