Home / 124,826.02-172,217.85-71,073.02

Finding the Fourth Proportional to 124,826.02, 172,217.85 and 71,073.02

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Solution

The fourth proportional to 124,826.02, 172,217.85 and 71,073.02 is: 98,056.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,826.02 : 172,217.85 = 71,073.02 : x
  2. Step 2: Convert to fraction form
    124,826.02/172,217.85 = 71,073.02/x
  3. Step 3: Cross multiply
    124,826.02x = 172,217.85 × 71,073.02
  4. Step 4: Simplify right side
    124,826.02x = 12,240,042,697.41
  5. Step 5: Solve for x
    x = 12,240,042,697.41/124,826.02
  6. Step 6: Final answer
    x = 98,056.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.