Home / 124,825.79-172,217.49-71,072.76

Finding the Fourth Proportional to 124,825.79, 172,217.49 and 71,072.76

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Solution

The fourth proportional to 124,825.79, 172,217.49 and 71,072.76 is: 98,056.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,825.79 : 172,217.49 = 71,072.76 : x
  2. Step 2: Convert to fraction form
    124,825.79/172,217.49 = 71,072.76/x
  3. Step 3: Cross multiply
    124,825.79x = 172,217.49 × 71,072.76
  4. Step 4: Simplify right side
    124,825.79x = 12,239,972,334.57
  5. Step 5: Solve for x
    x = 12,239,972,334.57/124,825.79
  6. Step 6: Final answer
    x = 98,056.44

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1.5x scale

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.