Home / 94,189.22-129,988.35-53,915.61

Finding the Fourth Proportional to 94,189.22, 129,988.35 and 53,915.61

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Solution

The fourth proportional to 94,189.22, 129,988.35 and 53,915.61 is: 74,407.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,189.22 : 129,988.35 = 53,915.61 : x
  2. Step 2: Convert to fraction form
    94,189.22/129,988.35 = 53,915.61/x
  3. Step 3: Cross multiply
    94,189.22x = 129,988.35 × 53,915.61
  4. Step 4: Simplify right side
    94,189.22x = 7,008,401,183.14
  5. Step 5: Solve for x
    x = 7,008,401,183.14/94,189.22
  6. Step 6: Final answer
    x = 74,407.68

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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.