Home / 45,421.81-68,146.59-23,250.90

Finding the Fourth Proportional to 45,421.81, 68,146.59 and 23,250.90

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Solution

The fourth proportional to 45,421.81, 68,146.59 and 23,250.90 is: 34,883.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,421.81 : 68,146.59 = 23,250.90 : x
  2. Step 2: Convert to fraction form
    45,421.81/68,146.59 = 23,250.90/x
  3. Step 3: Cross multiply
    45,421.81x = 68,146.59 × 23,250.90
  4. Step 4: Simplify right side
    45,421.81x = 1,584,469,549.43
  5. Step 5: Solve for x
    x = 1,584,469,549.43/45,421.81
  6. Step 6: Final answer
    x = 34,883.45

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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.