Home / 124,320.90-171,561.24-67,732.32

Finding the Fourth Proportional to 124,320.90, 171,561.24 and 67,732.32

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Solution

The fourth proportional to 124,320.90, 171,561.24 and 67,732.32 is: 93,469.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,320.90 : 171,561.24 = 67,732.32 : x
  2. Step 2: Convert to fraction form
    124,320.90/171,561.24 = 67,732.32/x
  3. Step 3: Cross multiply
    124,320.90x = 171,561.24 × 67,732.32
  4. Step 4: Simplify right side
    124,320.90x = 11,620,240,807.28
  5. Step 5: Solve for x
    x = 11,620,240,807.28/124,320.90
  6. Step 6: Final answer
    x = 93,469.73

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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.