Home / 108,601.67-162,851.38-42,072.95

Finding the Fourth Proportional to 108,601.67, 162,851.38 and 42,072.95

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Solution

The fourth proportional to 108,601.67, 162,851.38 and 42,072.95 is: 63,089.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,601.67 : 162,851.38 = 42,072.95 : x
  2. Step 2: Convert to fraction form
    108,601.67/162,851.38 = 42,072.95/x
  3. Step 3: Cross multiply
    108,601.67x = 162,851.38 × 42,072.95
  4. Step 4: Simplify right side
    108,601.67x = 6,851,637,048.73
  5. Step 5: Solve for x
    x = 6,851,637,048.73/108,601.67
  6. Step 6: Final answer
    x = 63,089.61

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1.5x scale

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.