Home / 118,023.02-177,033.92-68,070.74

Finding the Fourth Proportional to 118,023.02, 177,033.92 and 68,070.74

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Solution

The fourth proportional to 118,023.02, 177,033.92 and 68,070.74 is: 102,105.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,023.02 : 177,033.92 = 68,070.74 : x
  2. Step 2: Convert to fraction form
    118,023.02/177,033.92 = 68,070.74/x
  3. Step 3: Cross multiply
    118,023.02x = 177,033.92 × 68,070.74
  4. Step 4: Simplify right side
    118,023.02x = 12,050,829,939.50
  5. Step 5: Solve for x
    x = 12,050,829,939.50/118,023.02
  6. Step 6: Final answer
    x = 102,105.76

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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.