Home / 124,486.22-171,790.18-70,771.25

Finding the Fourth Proportional to 124,486.22, 171,790.18 and 70,771.25

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Solution

The fourth proportional to 124,486.22, 171,790.18 and 70,771.25 is: 97,663.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,486.22 : 171,790.18 = 70,771.25 : x
  2. Step 2: Convert to fraction form
    124,486.22/171,790.18 = 70,771.25/x
  3. Step 3: Cross multiply
    124,486.22x = 171,790.18 × 70,771.25
  4. Step 4: Simplify right side
    124,486.22x = 12,157,806,028.87
  5. Step 5: Solve for x
    x = 12,157,806,028.87/124,486.22
  6. Step 6: Final answer
    x = 97,663.87

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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.