Home / 124,995.18-172,493.64-68,410.20

Finding the Fourth Proportional to 124,995.18, 172,493.64 and 68,410.20

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Solution

The fourth proportional to 124,995.18, 172,493.64 and 68,410.20 is: 94,406.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,995.18 : 172,493.64 = 68,410.20 : x
  2. Step 2: Convert to fraction form
    124,995.18/172,493.64 = 68,410.20/x
  3. Step 3: Cross multiply
    124,995.18x = 172,493.64 × 68,410.20
  4. Step 4: Simplify right side
    124,995.18x = 11,800,324,411.13
  5. Step 5: Solve for x
    x = 11,800,324,411.13/124,995.18
  6. Step 6: Final answer
    x = 94,406.24

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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.