Home / 124,923.88-172,399.22-71,216.84

Finding the Fourth Proportional to 124,923.88, 172,399.22 and 71,216.84

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Solution

The fourth proportional to 124,923.88, 172,399.22 and 71,216.84 is: 98,281.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,923.88 : 172,399.22 = 71,216.84 : x
  2. Step 2: Convert to fraction form
    124,923.88/172,399.22 = 71,216.84/x
  3. Step 3: Cross multiply
    124,923.88x = 172,399.22 × 71,216.84
  4. Step 4: Simplify right side
    124,923.88x = 12,277,727,666.86
  5. Step 5: Solve for x
    x = 12,277,727,666.86/124,923.88
  6. Step 6: Final answer
    x = 98,281.67

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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.