Home / 124,021.75-171,151.23-67,434.34

Finding the Fourth Proportional to 124,021.75, 171,151.23 and 67,434.34

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Solution

The fourth proportional to 124,021.75, 171,151.23 and 67,434.34 is: 93,060.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,021.75 : 171,151.23 = 67,434.34 : x
  2. Step 2: Convert to fraction form
    124,021.75/171,151.23 = 67,434.34/x
  3. Step 3: Cross multiply
    124,021.75x = 171,151.23 × 67,434.34
  4. Step 4: Simplify right side
    124,021.75x = 11,541,470,235.24
  5. Step 5: Solve for x
    x = 11,541,470,235.24/124,021.75
  6. Step 6: Final answer
    x = 93,060.05

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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.