Home / 45,459.45-68,174.60-39,627.45

Finding the Fourth Proportional to 45,459.45, 68,174.60 and 39,627.45

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Solution

The fourth proportional to 45,459.45, 68,174.60 and 39,627.45 is: 59,428.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,459.45 : 68,174.60 = 39,627.45 : x
  2. Step 2: Convert to fraction form
    45,459.45/68,174.60 = 39,627.45/x
  3. Step 3: Cross multiply
    45,459.45x = 68,174.60 × 39,627.45
  4. Step 4: Simplify right side
    45,459.45x = 2,701,585,354.63
  5. Step 5: Solve for x
    x = 2,701,585,354.63/45,459.45
  6. Step 6: Final answer
    x = 59,428.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.