Home / 124,766.24-172,185.57-70,331.81

Finding the Fourth Proportional to 124,766.24, 172,185.57 and 70,331.81

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Solution

The fourth proportional to 124,766.24, 172,185.57 and 70,331.81 is: 97,062.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,766.24 : 172,185.57 = 70,331.81 : x
  2. Step 2: Convert to fraction form
    124,766.24/172,185.57 = 70,331.81/x
  3. Step 3: Cross multiply
    124,766.24x = 172,185.57 × 70,331.81
  4. Step 4: Simplify right side
    124,766.24x = 12,110,121,933.05
  5. Step 5: Solve for x
    x = 12,110,121,933.05/124,766.24
  6. Step 6: Final answer
    x = 97,062.49

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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.